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Finding the Third Proportional to 15,386 and 23,895

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Solution

The third proportional to 15,386 and 23,895 is: 37,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386 : 23,895 = 23,895 : x
  2. Step 2: Convert to fraction form
    15,386/23,895 = 23,895/x
  3. Step 3: Cross multiply
    15,386x = 23,895 × 23,895
  4. Step 4: Simplify right side
    15,386x = 570,971,025
  5. Step 5: Solve for x
    x = 570,971,025/15,386
  6. Step 6: Final answer
    x = 37,109.78

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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.