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Finding the Third Proportional to 7,295 and 17,643

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Solution

The third proportional to 7,295 and 17,643 is: 42,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295 : 17,643 = 17,643 : x
  2. Step 2: Convert to fraction form
    7,295/17,643 = 17,643/x
  3. Step 3: Cross multiply
    7,295x = 17,643 × 17,643
  4. Step 4: Simplify right side
    7,295x = 311,275,449
  5. Step 5: Solve for x
    x = 311,275,449/7,295
  6. Step 6: Final answer
    x = 42,669.70

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.