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Finding the Third Proportional to 34,698.38 and 71,857.13

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Solution

The third proportional to 34,698.38 and 71,857.13 is: 148,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,698.38 : 71,857.13 = 71,857.13 : x
  2. Step 2: Convert to fraction form
    34,698.38/71,857.13 = 71,857.13/x
  3. Step 3: Cross multiply
    34,698.38x = 71,857.13 × 71,857.13
  4. Step 4: Simplify right side
    34,698.38x = 5,163,446,413.27
  5. Step 5: Solve for x
    x = 5,163,446,413.27/34,698.38
  6. Step 6: Final answer
    x = 148,809.46

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.