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Finding the Third Proportional to 997.50 and 2,370

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Solution

The third proportional to 997.50 and 2,370 is: 5,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.50 : 2,370 = 2,370 : x
  2. Step 2: Convert to fraction form
    997.50/2,370 = 2,370/x
  3. Step 3: Cross multiply
    997.50x = 2,370 × 2,370
  4. Step 4: Simplify right side
    997.50x = 5,616,900
  5. Step 5: Solve for x
    x = 5,616,900/997.50
  6. Step 6: Final answer
    x = 5,630.98

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.