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Finding the Third Proportional to 4,070 and 9,539

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Solution

The third proportional to 4,070 and 9,539 is: 22,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070 : 9,539 = 9,539 : x
  2. Step 2: Convert to fraction form
    4,070/9,539 = 9,539/x
  3. Step 3: Cross multiply
    4,070x = 9,539 × 9,539
  4. Step 4: Simplify right side
    4,070x = 90,992,521
  5. Step 5: Solve for x
    x = 90,992,521/4,070
  6. Step 6: Final answer
    x = 22,356.88

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.