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Finding the Third Proportional to 7,057 and 15,209

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Solution

The third proportional to 7,057 and 15,209 is: 32,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057 : 15,209 = 15,209 : x
  2. Step 2: Convert to fraction form
    7,057/15,209 = 15,209/x
  3. Step 3: Cross multiply
    7,057x = 15,209 × 15,209
  4. Step 4: Simplify right side
    7,057x = 231,313,681
  5. Step 5: Solve for x
    x = 231,313,681/7,057
  6. Step 6: Final answer
    x = 32,777.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.