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Finding the Third Proportional to 15,190.13 and 22,987.69

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Solution

The third proportional to 15,190.13 and 22,987.69 is: 34,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.13 : 22,987.69 = 22,987.69 : x
  2. Step 2: Convert to fraction form
    15,190.13/22,987.69 = 22,987.69/x
  3. Step 3: Cross multiply
    15,190.13x = 22,987.69 × 22,987.69
  4. Step 4: Simplify right side
    15,190.13x = 528,433,776.60
  5. Step 5: Solve for x
    x = 528,433,776.60/15,190.13
  6. Step 6: Final answer
    x = 34,787.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.