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Finding the Third Proportional to 25,610 and 39,748

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Solution

The third proportional to 25,610 and 39,748 is: 61,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610 : 39,748 = 39,748 : x
  2. Step 2: Convert to fraction form
    25,610/39,748 = 39,748/x
  3. Step 3: Cross multiply
    25,610x = 39,748 × 39,748
  4. Step 4: Simplify right side
    25,610x = 1,579,903,504
  5. Step 5: Solve for x
    x = 1,579,903,504/25,610
  6. Step 6: Final answer
    x = 61,690.88

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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.