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Finding the Third Proportional to 15,259.50 and 31,497

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Solution

The third proportional to 15,259.50 and 31,497 is: 65,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.50 : 31,497 = 31,497 : x
  2. Step 2: Convert to fraction form
    15,259.50/31,497 = 31,497/x
  3. Step 3: Cross multiply
    15,259.50x = 31,497 × 31,497
  4. Step 4: Simplify right side
    15,259.50x = 992,061,009
  5. Step 5: Solve for x
    x = 992,061,009/15,259.50
  6. Step 6: Final answer
    x = 65,012.68

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.