Home / 387,732-568,818

Finding the Third Proportional to 387,732 and 568,818

Calculator

Solution

The third proportional to 387,732 and 568,818 is: 834,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,732 : 568,818 = 568,818 : x
  2. Step 2: Convert to fraction form
    387,732/568,818 = 568,818/x
  3. Step 3: Cross multiply
    387,732x = 568,818 × 568,818
  4. Step 4: Simplify right side
    387,732x = 323,553,917,124
  5. Step 5: Solve for x
    x = 323,553,917,124/387,732
  6. Step 6: Final answer
    x = 834,478.24

Related Problems

Find third proportional to 193,866 and 284,409
Half scale
Find third proportional to 775,464 and 1,137,636
Double scale
Find third proportional to 387,734 and 568,821
Similar ratio
Find third proportional to 581,598 and 853,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.