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Finding the Third Proportional to 13,159.50 and 28,545

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Solution

The third proportional to 13,159.50 and 28,545 is: 61,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.50 : 28,545 = 28,545 : x
  2. Step 2: Convert to fraction form
    13,159.50/28,545 = 28,545/x
  3. Step 3: Cross multiply
    13,159.50x = 28,545 × 28,545
  4. Step 4: Simplify right side
    13,159.50x = 814,817,025
  5. Step 5: Solve for x
    x = 814,817,025/13,159.50
  6. Step 6: Final answer
    x = 61,918.54

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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.