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Finding the Third Proportional to 62,506 and 135,680

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Solution

The third proportional to 62,506 and 135,680 is: 294,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,506 : 135,680 = 135,680 : x
  2. Step 2: Convert to fraction form
    62,506/135,680 = 135,680/x
  3. Step 3: Cross multiply
    62,506x = 135,680 × 135,680
  4. Step 4: Simplify right side
    62,506x = 18,409,062,400
  5. Step 5: Solve for x
    x = 18,409,062,400/62,506
  6. Step 6: Final answer
    x = 294,516.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.