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Finding the Third Proportional to 8,698 and 19,124

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Solution

The third proportional to 8,698 and 19,124 is: 42,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698 : 19,124 = 19,124 : x
  2. Step 2: Convert to fraction form
    8,698/19,124 = 19,124/x
  3. Step 3: Cross multiply
    8,698x = 19,124 × 19,124
  4. Step 4: Simplify right side
    8,698x = 365,727,376
  5. Step 5: Solve for x
    x = 365,727,376/8,698
  6. Step 6: Final answer
    x = 42,047.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.