Home / 266,686-577,638

Finding the Third Proportional to 266,686 and 577,638

Calculator

Solution

The third proportional to 266,686 and 577,638 is: 1,251,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,686 : 577,638 = 577,638 : x
  2. Step 2: Convert to fraction form
    266,686/577,638 = 577,638/x
  3. Step 3: Cross multiply
    266,686x = 577,638 × 577,638
  4. Step 4: Simplify right side
    266,686x = 333,665,659,044
  5. Step 5: Solve for x
    x = 333,665,659,044/266,686
  6. Step 6: Final answer
    x = 1,251,155.51

Related Problems

Find third proportional to 133,343 and 288,819
Half scale
Find third proportional to 533,372 and 1,155,276
Double scale
Find third proportional to 266,688 and 577,642
Similar ratio
Find third proportional to 400,029 and 866,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.