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Finding the Third Proportional to 115,311 and 168,502.50

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Solution

The third proportional to 115,311 and 168,502.50 is: 246,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,311 : 168,502.50 = 168,502.50 : x
  2. Step 2: Convert to fraction form
    115,311/168,502.50 = 168,502.50/x
  3. Step 3: Cross multiply
    115,311x = 168,502.50 × 168,502.50
  4. Step 4: Simplify right side
    115,311x = 28,393,092,506.25
  5. Step 5: Solve for x
    x = 28,393,092,506.25/115,311
  6. Step 6: Final answer
    x = 246,230.56

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.