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Finding the Third Proportional to 217,593 and 336,271.50

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Solution

The third proportional to 217,593 and 336,271.50 is: 519,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,593 : 336,271.50 = 336,271.50 : x
  2. Step 2: Convert to fraction form
    217,593/336,271.50 = 336,271.50/x
  3. Step 3: Cross multiply
    217,593x = 336,271.50 × 336,271.50
  4. Step 4: Simplify right side
    217,593x = 113,078,521,712.25
  5. Step 5: Solve for x
    x = 113,078,521,712.25/217,593
  6. Step 6: Final answer
    x = 519,679.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.