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Finding the Third Proportional to 4,666 and 8,786

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Solution

The third proportional to 4,666 and 8,786 is: 16,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666 : 8,786 = 8,786 : x
  2. Step 2: Convert to fraction form
    4,666/8,786 = 8,786/x
  3. Step 3: Cross multiply
    4,666x = 8,786 × 8,786
  4. Step 4: Simplify right side
    4,666x = 77,193,796
  5. Step 5: Solve for x
    x = 77,193,796/4,666
  6. Step 6: Final answer
    x = 16,543.89

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.