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Finding the Third Proportional to 7,572 and 15,670

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Solution

The third proportional to 7,572 and 15,670 is: 32,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572 : 15,670 = 15,670 : x
  2. Step 2: Convert to fraction form
    7,572/15,670 = 15,670/x
  3. Step 3: Cross multiply
    7,572x = 15,670 × 15,670
  4. Step 4: Simplify right side
    7,572x = 245,548,900
  5. Step 5: Solve for x
    x = 245,548,900/7,572
  6. Step 6: Final answer
    x = 32,428.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.