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Finding the Third Proportional to 62,404.88 and 136,688.63

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Solution

The third proportional to 62,404.88 and 136,688.63 is: 299,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,404.88 : 136,688.63 = 136,688.63 : x
  2. Step 2: Convert to fraction form
    62,404.88/136,688.63 = 136,688.63/x
  3. Step 3: Cross multiply
    62,404.88x = 136,688.63 × 136,688.63
  4. Step 4: Simplify right side
    62,404.88x = 18,683,780,204.39
  5. Step 5: Solve for x
    x = 18,683,780,204.39/62,404.88
  6. Step 6: Final answer
    x = 299,396.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.