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Finding the Third Proportional to 115,660.13 and 172,531.13

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Solution

The third proportional to 115,660.13 and 172,531.13 is: 257,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,660.13 : 172,531.13 = 172,531.13 : x
  2. Step 2: Convert to fraction form
    115,660.13/172,531.13 = 172,531.13/x
  3. Step 3: Cross multiply
    115,660.13x = 172,531.13 × 172,531.13
  4. Step 4: Simplify right side
    115,660.13x = 29,766,989,093.77
  5. Step 5: Solve for x
    x = 29,766,989,093.77/115,660.13
  6. Step 6: Final answer
    x = 257,366.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.