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Finding the Third Proportional to 243,150.75 and 530,163

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Solution

The third proportional to 243,150.75 and 530,163 is: 1,155,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,150.75 : 530,163 = 530,163 : x
  2. Step 2: Convert to fraction form
    243,150.75/530,163 = 530,163/x
  3. Step 3: Cross multiply
    243,150.75x = 530,163 × 530,163
  4. Step 4: Simplify right side
    243,150.75x = 281,072,806,569
  5. Step 5: Solve for x
    x = 281,072,806,569/243,150.75
  6. Step 6: Final answer
    x = 1,155,961.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.