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Finding the Third Proportional to 4,687 and 9,368

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Solution

The third proportional to 4,687 and 9,368 is: 18,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687 : 9,368 = 9,368 : x
  2. Step 2: Convert to fraction form
    4,687/9,368 = 9,368/x
  3. Step 3: Cross multiply
    4,687x = 9,368 × 9,368
  4. Step 4: Simplify right side
    4,687x = 87,759,424
  5. Step 5: Solve for x
    x = 87,759,424/4,687
  6. Step 6: Final answer
    x = 18,724.01

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.