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Finding the Third Proportional to 4,720.88 and 6,943.88

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Solution

The third proportional to 4,720.88 and 6,943.88 is: 10,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.88 : 6,943.88 = 6,943.88 : x
  2. Step 2: Convert to fraction form
    4,720.88/6,943.88 = 6,943.88/x
  3. Step 3: Cross multiply
    4,720.88x = 6,943.88 × 6,943.88
  4. Step 4: Simplify right side
    4,720.88x = 48,217,400.02
  5. Step 5: Solve for x
    x = 48,217,400.02/4,720.88
  6. Step 6: Final answer
    x = 10,213.66

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.