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Finding the Third Proportional to 62,845.88 and 136,988.72

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Solution

The third proportional to 62,845.88 and 136,988.72 is: 298,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,845.88 : 136,988.72 = 136,988.72 : x
  2. Step 2: Convert to fraction form
    62,845.88/136,988.72 = 136,988.72/x
  3. Step 3: Cross multiply
    62,845.88x = 136,988.72 × 136,988.72
  4. Step 4: Simplify right side
    62,845.88x = 18,765,909,064.77
  5. Step 5: Solve for x
    x = 18,765,909,064.77/62,845.88
  6. Step 6: Final answer
    x = 298,602.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.