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Finding the Third Proportional to 4,899 and 7,587

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Solution

The third proportional to 4,899 and 7,587 is: 11,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899 : 7,587 = 7,587 : x
  2. Step 2: Convert to fraction form
    4,899/7,587 = 7,587/x
  3. Step 3: Cross multiply
    4,899x = 7,587 × 7,587
  4. Step 4: Simplify right side
    4,899x = 57,562,569
  5. Step 5: Solve for x
    x = 57,562,569/4,899
  6. Step 6: Final answer
    x = 11,749.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.