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Finding the Third Proportional to 360,540 and 565,555

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Solution

The third proportional to 360,540 and 565,555 is: 887,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,540 : 565,555 = 565,555 : x
  2. Step 2: Convert to fraction form
    360,540/565,555 = 565,555/x
  3. Step 3: Cross multiply
    360,540x = 565,555 × 565,555
  4. Step 4: Simplify right side
    360,540x = 319,852,458,025
  5. Step 5: Solve for x
    x = 319,852,458,025/360,540
  6. Step 6: Final answer
    x = 887,148.33

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.