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Finding the Third Proportional to 62,430.75 and 136,267.31

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Solution

The third proportional to 62,430.75 and 136,267.31 is: 297,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,430.75 : 136,267.31 = 136,267.31 : x
  2. Step 2: Convert to fraction form
    62,430.75/136,267.31 = 136,267.31/x
  3. Step 3: Cross multiply
    62,430.75x = 136,267.31 × 136,267.31
  4. Step 4: Simplify right side
    62,430.75x = 18,568,780,455.97
  5. Step 5: Solve for x
    x = 18,568,780,455.97/62,430.75
  6. Step 6: Final answer
    x = 297,430.04

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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.