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Finding the Third Proportional to 13,720.50 and 28,413

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Solution

The third proportional to 13,720.50 and 28,413 is: 58,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720.50 : 28,413 = 28,413 : x
  2. Step 2: Convert to fraction form
    13,720.50/28,413 = 28,413/x
  3. Step 3: Cross multiply
    13,720.50x = 28,413 × 28,413
  4. Step 4: Simplify right side
    13,720.50x = 807,298,569
  5. Step 5: Solve for x
    x = 807,298,569/13,720.50
  6. Step 6: Final answer
    x = 58,838.86

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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.