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Finding the Third Proportional to 240,630 and 360,081

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Solution

The third proportional to 240,630 and 360,081 is: 538,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,630 : 360,081 = 360,081 : x
  2. Step 2: Convert to fraction form
    240,630/360,081 = 360,081/x
  3. Step 3: Cross multiply
    240,630x = 360,081 × 360,081
  4. Step 4: Simplify right side
    240,630x = 129,658,326,561
  5. Step 5: Solve for x
    x = 129,658,326,561/240,630
  6. Step 6: Final answer
    x = 538,828.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.