Home / 356,998-772,776

Finding the Third Proportional to 356,998 and 772,776

Calculator

Solution

The third proportional to 356,998 and 772,776 is: 1,672,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,998 : 772,776 = 772,776 : x
  2. Step 2: Convert to fraction form
    356,998/772,776 = 772,776/x
  3. Step 3: Cross multiply
    356,998x = 772,776 × 772,776
  4. Step 4: Simplify right side
    356,998x = 597,182,746,176
  5. Step 5: Solve for x
    x = 597,182,746,176/356,998
  6. Step 6: Final answer
    x = 1,672,790.17

Related Problems

Find third proportional to 178,499 and 386,388
Half scale
Find third proportional to 713,996 and 1,545,552
Double scale
Find third proportional to 357,000 and 772,780
Similar ratio
Find third proportional to 535,497 and 1,159,164
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.