Home / 266,717-412,712

Finding the Third Proportional to 266,717 and 412,712

Calculator

Solution

The third proportional to 266,717 and 412,712 is: 638,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,717 : 412,712 = 412,712 : x
  2. Step 2: Convert to fraction form
    266,717/412,712 = 412,712/x
  3. Step 3: Cross multiply
    266,717x = 412,712 × 412,712
  4. Step 4: Simplify right side
    266,717x = 170,331,194,944
  5. Step 5: Solve for x
    x = 170,331,194,944/266,717
  6. Step 6: Final answer
    x = 638,621.44

Related Problems

Find third proportional to 133,358.50 and 206,356
Half scale
Find third proportional to 533,434 and 825,424
Double scale
Find third proportional to 266,719 and 412,715
Similar ratio
Find third proportional to 400,075.50 and 619,068
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.