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Finding the Third Proportional to 121,251.88 and 183,555.13

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Solution

The third proportional to 121,251.88 and 183,555.13 is: 277,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,251.88 : 183,555.13 = 183,555.13 : x
  2. Step 2: Convert to fraction form
    121,251.88/183,555.13 = 183,555.13/x
  3. Step 3: Cross multiply
    121,251.88x = 183,555.13 × 183,555.13
  4. Step 4: Simplify right side
    121,251.88x = 33,692,483,913.77
  5. Step 5: Solve for x
    x = 33,692,483,913.77/121,251.88
  6. Step 6: Final answer
    x = 277,871.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.