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Finding the Third Proportional to 62,406 and 136,464

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Solution

The third proportional to 62,406 and 136,464 is: 298,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,406 : 136,464 = 136,464 : x
  2. Step 2: Convert to fraction form
    62,406/136,464 = 136,464/x
  3. Step 3: Cross multiply
    62,406x = 136,464 × 136,464
  4. Step 4: Simplify right side
    62,406x = 18,622,423,296
  5. Step 5: Solve for x
    x = 18,622,423,296/62,406
  6. Step 6: Final answer
    x = 298,407.58

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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.