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Finding the Third Proportional to 4,701 and 9,867.75

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Solution

The third proportional to 4,701 and 9,867.75 is: 20,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701 : 9,867.75 = 9,867.75 : x
  2. Step 2: Convert to fraction form
    4,701/9,867.75 = 9,867.75/x
  3. Step 3: Cross multiply
    4,701x = 9,867.75 × 9,867.75
  4. Step 4: Simplify right side
    4,701x = 97,372,490.06
  5. Step 5: Solve for x
    x = 97,372,490.06/4,701
  6. Step 6: Final answer
    x = 20,713.14

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.