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Finding the Third Proportional to 88,272 and 180,432

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Solution

The third proportional to 88,272 and 180,432 is: 368,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,272 : 180,432 = 180,432 : x
  2. Step 2: Convert to fraction form
    88,272/180,432 = 180,432/x
  3. Step 3: Cross multiply
    88,272x = 180,432 × 180,432
  4. Step 4: Simplify right side
    88,272x = 32,555,706,624
  5. Step 5: Solve for x
    x = 32,555,706,624/88,272
  6. Step 6: Final answer
    x = 368,811.25

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.