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Finding the Third Proportional to 25,038 and 38,988

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Solution

The third proportional to 25,038 and 38,988 is: 60,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038 : 38,988 = 38,988 : x
  2. Step 2: Convert to fraction form
    25,038/38,988 = 38,988/x
  3. Step 3: Cross multiply
    25,038x = 38,988 × 38,988
  4. Step 4: Simplify right side
    25,038x = 1,520,064,144
  5. Step 5: Solve for x
    x = 1,520,064,144/25,038
  6. Step 6: Final answer
    x = 60,710.29

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.