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Finding the Third Proportional to 14,988 and 21,906

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Solution

The third proportional to 14,988 and 21,906 is: 32,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988 : 21,906 = 21,906 : x
  2. Step 2: Convert to fraction form
    14,988/21,906 = 21,906/x
  3. Step 3: Cross multiply
    14,988x = 21,906 × 21,906
  4. Step 4: Simplify right side
    14,988x = 479,872,836
  5. Step 5: Solve for x
    x = 479,872,836/14,988
  6. Step 6: Final answer
    x = 32,017.14

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.