Home / 310,853-557,743

Finding the Third Proportional to 310,853 and 557,743

Calculator

Solution

The third proportional to 310,853 and 557,743 is: 1,000,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,853 : 557,743 = 557,743 : x
  2. Step 2: Convert to fraction form
    310,853/557,743 = 557,743/x
  3. Step 3: Cross multiply
    310,853x = 557,743 × 557,743
  4. Step 4: Simplify right side
    310,853x = 311,077,254,049
  5. Step 5: Solve for x
    x = 311,077,254,049/310,853
  6. Step 6: Final answer
    x = 1,000,721.42

Related Problems

Find third proportional to 155,426.50 and 278,871.50
Half scale
Find third proportional to 621,706 and 1,115,486
Double scale
Find third proportional to 310,855 and 557,747
Similar ratio
Find third proportional to 466,279.50 and 836,614.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.