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Finding the Third Proportional to 98,694 and 217,068

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Solution

The third proportional to 98,694 and 217,068 is: 477,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,694 : 217,068 = 217,068 : x
  2. Step 2: Convert to fraction form
    98,694/217,068 = 217,068/x
  3. Step 3: Cross multiply
    98,694x = 217,068 × 217,068
  4. Step 4: Simplify right side
    98,694x = 47,118,516,624
  5. Step 5: Solve for x
    x = 47,118,516,624/98,694
  6. Step 6: Final answer
    x = 477,420.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.