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Finding the Third Proportional to 997.50 and 2,460

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Solution

The third proportional to 997.50 and 2,460 is: 6,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.50 : 2,460 = 2,460 : x
  2. Step 2: Convert to fraction form
    997.50/2,460 = 2,460/x
  3. Step 3: Cross multiply
    997.50x = 2,460 × 2,460
  4. Step 4: Simplify right side
    997.50x = 6,051,600
  5. Step 5: Solve for x
    x = 6,051,600/997.50
  6. Step 6: Final answer
    x = 6,066.77

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.