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Finding the Third Proportional to 99,074 and 153,471

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Solution

The third proportional to 99,074 and 153,471 is: 237,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,074 : 153,471 = 153,471 : x
  2. Step 2: Convert to fraction form
    99,074/153,471 = 153,471/x
  3. Step 3: Cross multiply
    99,074x = 153,471 × 153,471
  4. Step 4: Simplify right side
    99,074x = 23,553,347,841
  5. Step 5: Solve for x
    x = 23,553,347,841/99,074
  6. Step 6: Final answer
    x = 237,734.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.