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Finding the Third Proportional to 54,799 and 80,470

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Solution

The third proportional to 54,799 and 80,470 is: 118,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,799 : 80,470 = 80,470 : x
  2. Step 2: Convert to fraction form
    54,799/80,470 = 80,470/x
  3. Step 3: Cross multiply
    54,799x = 80,470 × 80,470
  4. Step 4: Simplify right side
    54,799x = 6,475,420,900
  5. Step 5: Solve for x
    x = 6,475,420,900/54,799
  6. Step 6: Final answer
    x = 118,166.77

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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.