Home / 145,911-208,651

Finding the Third Proportional to 145,911 and 208,651

Calculator

Solution

The third proportional to 145,911 and 208,651 is: 298,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,911 : 208,651 = 208,651 : x
  2. Step 2: Convert to fraction form
    145,911/208,651 = 208,651/x
  3. Step 3: Cross multiply
    145,911x = 208,651 × 208,651
  4. Step 4: Simplify right side
    145,911x = 43,535,239,801
  5. Step 5: Solve for x
    x = 43,535,239,801/145,911
  6. Step 6: Final answer
    x = 298,368.46

Related Problems

Find third proportional to 72,955.50 and 104,325.50
Half scale
Find third proportional to 291,822 and 417,302
Double scale
Find third proportional to 145,913 and 208,654
Similar ratio
Find third proportional to 218,866.50 and 312,976.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.