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Finding the Third Proportional to 108,708.75 and 150,211.13

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Solution

The third proportional to 108,708.75 and 150,211.13 is: 207,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,708.75 : 150,211.13 = 150,211.13 : x
  2. Step 2: Convert to fraction form
    108,708.75/150,211.13 = 150,211.13/x
  3. Step 3: Cross multiply
    108,708.75x = 150,211.13 × 150,211.13
  4. Step 4: Simplify right side
    108,708.75x = 22,563,382,073.77
  5. Step 5: Solve for x
    x = 22,563,382,073.77/108,708.75
  6. Step 6: Final answer
    x = 207,558.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.