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Finding the Third Proportional to 62,835.75 and 136,750.78

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Solution

The third proportional to 62,835.75 and 136,750.78 is: 297,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,835.75 : 136,750.78 = 136,750.78 : x
  2. Step 2: Convert to fraction form
    62,835.75/136,750.78 = 136,750.78/x
  3. Step 3: Cross multiply
    62,835.75x = 136,750.78 × 136,750.78
  4. Step 4: Simplify right side
    62,835.75x = 18,700,776,172.49
  5. Step 5: Solve for x
    x = 18,700,776,172.49/62,835.75
  6. Step 6: Final answer
    x = 297,613.64

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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.