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Finding the Third Proportional to 90,487.13 and 124,097.06

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Solution

The third proportional to 90,487.13 and 124,097.06 is: 170,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,487.13 : 124,097.06 = 124,097.06 : x
  2. Step 2: Convert to fraction form
    90,487.13/124,097.06 = 124,097.06/x
  3. Step 3: Cross multiply
    90,487.13x = 124,097.06 × 124,097.06
  4. Step 4: Simplify right side
    90,487.13x = 15,400,080,921.13
  5. Step 5: Solve for x
    x = 15,400,080,921.13/90,487.13
  6. Step 6: Final answer
    x = 170,190.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.