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Finding the Third Proportional to 4,312.13 and 4,757.63

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Solution

The third proportional to 4,312.13 and 4,757.63 is: 5,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.13 : 4,757.63 = 4,757.63 : x
  2. Step 2: Convert to fraction form
    4,312.13/4,757.63 = 4,757.63/x
  3. Step 3: Cross multiply
    4,312.13x = 4,757.63 × 4,757.63
  4. Step 4: Simplify right side
    4,312.13x = 22,634,995.64
  5. Step 5: Solve for x
    x = 22,634,995.64/4,312.13
  6. Step 6: Final answer
    x = 5,249.15

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.