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Finding the Third Proportional to 15,476 and 16,948

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Solution

The third proportional to 15,476 and 16,948 is: 18,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476 : 16,948 = 16,948 : x
  2. Step 2: Convert to fraction form
    15,476/16,948 = 16,948/x
  3. Step 3: Cross multiply
    15,476x = 16,948 × 16,948
  4. Step 4: Simplify right side
    15,476x = 287,234,704
  5. Step 5: Solve for x
    x = 287,234,704/15,476
  6. Step 6: Final answer
    x = 18,560.01

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.