Home / 387,776-822,432

Finding the Third Proportional to 387,776 and 822,432

Calculator

Solution

The third proportional to 387,776 and 822,432 is: 1,744,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,776 : 822,432 = 822,432 : x
  2. Step 2: Convert to fraction form
    387,776/822,432 = 822,432/x
  3. Step 3: Cross multiply
    387,776x = 822,432 × 822,432
  4. Step 4: Simplify right side
    387,776x = 676,394,394,624
  5. Step 5: Solve for x
    x = 676,394,394,624/387,776
  6. Step 6: Final answer
    x = 1,744,291.54

Related Problems

Find third proportional to 193,888 and 411,216
Half scale
Find third proportional to 775,552 and 1,644,864
Double scale
Find third proportional to 387,778 and 822,436
Similar ratio
Find third proportional to 581,664 and 1,233,648
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.