Home / 137,879,010-209,683,323

Finding the Third Proportional to 137,879,010 and 209,683,323

Calculator

Solution

The third proportional to 137,879,010 and 209,683,323 is: 318,881,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,879,010 : 209,683,323 = 209,683,323 : x
  2. Step 2: Convert to fraction form
    137,879,010/209,683,323 = 209,683,323/x
  3. Step 3: Cross multiply
    137,879,010x = 209,683,323 × 209,683,323
  4. Step 4: Simplify right side
    137,879,010x = 43,967,095,944,322,328
  5. Step 5: Solve for x
    x = 43,967,095,944,322,328/137,879,010
  6. Step 6: Final answer
    x = 318,881,720.61

Related Problems

Find third proportional to 68,939,505 and 104,841,661.50
Half scale
Find third proportional to 275,758,020 and 419,366,646
Double scale
Find third proportional to 137,879,012 and 209,683,326
Similar ratio
Find third proportional to 206,818,515 and 314,524,984.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.