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Finding the Third Proportional to 88,618.22 and 136,212.47

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Solution

The third proportional to 88,618.22 and 136,212.47 is: 209,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,618.22 : 136,212.47 = 136,212.47 : x
  2. Step 2: Convert to fraction form
    88,618.22/136,212.47 = 136,212.47/x
  3. Step 3: Cross multiply
    88,618.22x = 136,212.47 × 136,212.47
  4. Step 4: Simplify right side
    88,618.22x = 18,553,836,642.97
  5. Step 5: Solve for x
    x = 18,553,836,642.97/88,618.22
  6. Step 6: Final answer
    x = 209,368.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.