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Finding the Third Proportional to 120,597 and 177,281.50

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Solution

The third proportional to 120,597 and 177,281.50 is: 260,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,597 : 177,281.50 = 177,281.50 : x
  2. Step 2: Convert to fraction form
    120,597/177,281.50 = 177,281.50/x
  3. Step 3: Cross multiply
    120,597x = 177,281.50 × 177,281.50
  4. Step 4: Simplify right side
    120,597x = 31,428,730,242.25
  5. Step 5: Solve for x
    x = 31,428,730,242.25/120,597
  6. Step 6: Final answer
    x = 260,609.55

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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.