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Finding the Third Proportional to 15,126.75 and 22,155.19

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Solution

The third proportional to 15,126.75 and 22,155.19 is: 32,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.75 : 22,155.19 = 22,155.19 : x
  2. Step 2: Convert to fraction form
    15,126.75/22,155.19 = 22,155.19/x
  3. Step 3: Cross multiply
    15,126.75x = 22,155.19 × 22,155.19
  4. Step 4: Simplify right side
    15,126.75x = 490,852,333.16
  5. Step 5: Solve for x
    x = 490,852,333.16/15,126.75
  6. Step 6: Final answer
    x = 32,449.29

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.