Home / 64,486-142,048

Finding the Third Proportional to 64,486 and 142,048

Calculator

Solution

The third proportional to 64,486 and 142,048 is: 312,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,486 : 142,048 = 142,048 : x
  2. Step 2: Convert to fraction form
    64,486/142,048 = 142,048/x
  3. Step 3: Cross multiply
    64,486x = 142,048 × 142,048
  4. Step 4: Simplify right side
    64,486x = 20,177,634,304
  5. Step 5: Solve for x
    x = 20,177,634,304/64,486
  6. Step 6: Final answer
    x = 312,899.46

Related Problems

Find third proportional to 32,243 and 71,024
Half scale
Find third proportional to 128,972 and 284,096
Double scale
Find third proportional to 64,488 and 142,052
Similar ratio
Find third proportional to 96,729 and 213,072
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.