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Finding the Third Proportional to 14,877 and 21,867.75

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Solution

The third proportional to 14,877 and 21,867.75 is: 32,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877 : 21,867.75 = 21,867.75 : x
  2. Step 2: Convert to fraction form
    14,877/21,867.75 = 21,867.75/x
  3. Step 3: Cross multiply
    14,877x = 21,867.75 × 21,867.75
  4. Step 4: Simplify right side
    14,877x = 478,198,490.06
  5. Step 5: Solve for x
    x = 478,198,490.06/14,877
  6. Step 6: Final answer
    x = 32,143.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.