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Finding the Third Proportional to 7,248 and 17,630

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Solution

The third proportional to 7,248 and 17,630 is: 42,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248 : 17,630 = 17,630 : x
  2. Step 2: Convert to fraction form
    7,248/17,630 = 17,630/x
  3. Step 3: Cross multiply
    7,248x = 17,630 × 17,630
  4. Step 4: Simplify right side
    7,248x = 310,816,900
  5. Step 5: Solve for x
    x = 310,816,900/7,248
  6. Step 6: Final answer
    x = 42,883.13

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.