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Finding the Third Proportional to 13,438.13 and 28,901.25

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Solution

The third proportional to 13,438.13 and 28,901.25 is: 62,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.13 : 28,901.25 = 28,901.25 : x
  2. Step 2: Convert to fraction form
    13,438.13/28,901.25 = 28,901.25/x
  3. Step 3: Cross multiply
    13,438.13x = 28,901.25 × 28,901.25
  4. Step 4: Simplify right side
    13,438.13x = 835,282,251.56
  5. Step 5: Solve for x
    x = 835,282,251.56/13,438.13
  6. Step 6: Final answer
    x = 62,157.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.