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Finding the Third Proportional to 9,877 and 14,921.75

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Solution

The third proportional to 9,877 and 14,921.75 is: 22,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877 : 14,921.75 = 14,921.75 : x
  2. Step 2: Convert to fraction form
    9,877/14,921.75 = 14,921.75/x
  3. Step 3: Cross multiply
    9,877x = 14,921.75 × 14,921.75
  4. Step 4: Simplify right side
    9,877x = 222,658,623.06
  5. Step 5: Solve for x
    x = 222,658,623.06/9,877
  6. Step 6: Final answer
    x = 22,543.14

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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.