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Finding the Third Proportional to 15,086 and 25,140

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Solution

The third proportional to 15,086 and 25,140 is: 41,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086 : 25,140 = 25,140 : x
  2. Step 2: Convert to fraction form
    15,086/25,140 = 25,140/x
  3. Step 3: Cross multiply
    15,086x = 25,140 × 25,140
  4. Step 4: Simplify right side
    15,086x = 632,019,600
  5. Step 5: Solve for x
    x = 632,019,600/15,086
  6. Step 6: Final answer
    x = 41,894.45

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.