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Finding the Third Proportional to 9,285.19 and 13,972.13

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Solution

The third proportional to 9,285.19 and 13,972.13 is: 21,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.19 : 13,972.13 = 13,972.13 : x
  2. Step 2: Convert to fraction form
    9,285.19/13,972.13 = 13,972.13/x
  3. Step 3: Cross multiply
    9,285.19x = 13,972.13 × 13,972.13
  4. Step 4: Simplify right side
    9,285.19x = 195,220,277.02
  5. Step 5: Solve for x
    x = 195,220,277.02/9,285.19
  6. Step 6: Final answer
    x = 21,024.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.