Home / 253,347-356,281

Finding the Third Proportional to 253,347 and 356,281

Calculator

Solution

The third proportional to 253,347 and 356,281 is: 501,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,347 : 356,281 = 356,281 : x
  2. Step 2: Convert to fraction form
    253,347/356,281 = 356,281/x
  3. Step 3: Cross multiply
    253,347x = 356,281 × 356,281
  4. Step 4: Simplify right side
    253,347x = 126,936,150,961
  5. Step 5: Solve for x
    x = 126,936,150,961/253,347
  6. Step 6: Final answer
    x = 501,036.72

Related Problems

Find third proportional to 126,673.50 and 178,140.50
Half scale
Find third proportional to 506,694 and 712,562
Double scale
Find third proportional to 253,349 and 356,284
Similar ratio
Find third proportional to 380,020.50 and 534,421.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.