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Finding the Third Proportional to 15,878 and 24,639

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Solution

The third proportional to 15,878 and 24,639 is: 38,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878 : 24,639 = 24,639 : x
  2. Step 2: Convert to fraction form
    15,878/24,639 = 24,639/x
  3. Step 3: Cross multiply
    15,878x = 24,639 × 24,639
  4. Step 4: Simplify right side
    15,878x = 607,080,321
  5. Step 5: Solve for x
    x = 607,080,321/15,878
  6. Step 6: Final answer
    x = 38,234.05

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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.