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Finding the Third Proportional to 7,653 and 15,630

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Solution

The third proportional to 7,653 and 15,630 is: 31,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653 : 15,630 = 15,630 : x
  2. Step 2: Convert to fraction form
    7,653/15,630 = 15,630/x
  3. Step 3: Cross multiply
    7,653x = 15,630 × 15,630
  4. Step 4: Simplify right side
    7,653x = 244,296,900
  5. Step 5: Solve for x
    x = 244,296,900/7,653
  6. Step 6: Final answer
    x = 31,921.72

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.