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Finding the Third Proportional to 7,000 and 15,272

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Solution

The third proportional to 7,000 and 15,272 is: 33,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000 : 15,272 = 15,272 : x
  2. Step 2: Convert to fraction form
    7,000/15,272 = 15,272/x
  3. Step 3: Cross multiply
    7,000x = 15,272 × 15,272
  4. Step 4: Simplify right side
    7,000x = 233,233,984
  5. Step 5: Solve for x
    x = 233,233,984/7,000
  6. Step 6: Final answer
    x = 33,319.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.