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Finding the Third Proportional to 88,755.19 and 121,258.13

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Solution

The third proportional to 88,755.19 and 121,258.13 is: 165,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,755.19 : 121,258.13 = 121,258.13 : x
  2. Step 2: Convert to fraction form
    88,755.19/121,258.13 = 121,258.13/x
  3. Step 3: Cross multiply
    88,755.19x = 121,258.13 × 121,258.13
  4. Step 4: Simplify right side
    88,755.19x = 14,703,532,878.52
  5. Step 5: Solve for x
    x = 14,703,532,878.52/88,755.19
  6. Step 6: Final answer
    x = 165,663.93

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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.