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Finding the Third Proportional to 488,979 and 747,999

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Solution

The third proportional to 488,979 and 747,999 is: 1,144,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,979 : 747,999 = 747,999 : x
  2. Step 2: Convert to fraction form
    488,979/747,999 = 747,999/x
  3. Step 3: Cross multiply
    488,979x = 747,999 × 747,999
  4. Step 4: Simplify right side
    488,979x = 559,502,504,001
  5. Step 5: Solve for x
    x = 559,502,504,001/488,979
  6. Step 6: Final answer
    x = 1,144,226.04

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.