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Finding the Third Proportional to 9,285 and 14,389.88

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Solution

The third proportional to 9,285 and 14,389.88 is: 22,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285 : 14,389.88 = 14,389.88 : x
  2. Step 2: Convert to fraction form
    9,285/14,389.88 = 14,389.88/x
  3. Step 3: Cross multiply
    9,285x = 14,389.88 × 14,389.88
  4. Step 4: Simplify right side
    9,285x = 207,068,502.52
  5. Step 5: Solve for x
    x = 207,068,502.52/9,285
  6. Step 6: Final answer
    x = 22,301.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.