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Finding the Third Proportional to 242,787 and 533,755.50

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Solution

The third proportional to 242,787 and 533,755.50 is: 1,173,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,787 : 533,755.50 = 533,755.50 : x
  2. Step 2: Convert to fraction form
    242,787/533,755.50 = 533,755.50/x
  3. Step 3: Cross multiply
    242,787x = 533,755.50 × 533,755.50
  4. Step 4: Simplify right side
    242,787x = 284,894,933,780.25
  5. Step 5: Solve for x
    x = 284,894,933,780.25/242,787
  6. Step 6: Final answer
    x = 1,173,435.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.