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Finding the Third Proportional to 10,289.19 and 15,366.06

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Solution

The third proportional to 10,289.19 and 15,366.06 is: 22,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.19 : 15,366.06 = 15,366.06 : x
  2. Step 2: Convert to fraction form
    10,289.19/15,366.06 = 15,366.06/x
  3. Step 3: Cross multiply
    10,289.19x = 15,366.06 × 15,366.06
  4. Step 4: Simplify right side
    10,289.19x = 236,115,876.75
  5. Step 5: Solve for x
    x = 236,115,876.75/10,289.19
  6. Step 6: Final answer
    x = 22,947.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.