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Finding the Third Proportional to 4,641.75 and 6,859.13

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Solution

The third proportional to 4,641.75 and 6,859.13 is: 10,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.75 : 6,859.13 = 6,859.13 : x
  2. Step 2: Convert to fraction form
    4,641.75/6,859.13 = 6,859.13/x
  3. Step 3: Cross multiply
    4,641.75x = 6,859.13 × 6,859.13
  4. Step 4: Simplify right side
    4,641.75x = 47,047,595.77
  5. Step 5: Solve for x
    x = 47,047,595.77/4,641.75
  6. Step 6: Final answer
    x = 10,135.75

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.