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Finding the Third Proportional to 105,320.25 and 157,818.38

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Solution

The third proportional to 105,320.25 and 157,818.38 is: 236,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,320.25 : 157,818.38 = 157,818.38 : x
  2. Step 2: Convert to fraction form
    105,320.25/157,818.38 = 157,818.38/x
  3. Step 3: Cross multiply
    105,320.25x = 157,818.38 × 157,818.38
  4. Step 4: Simplify right side
    105,320.25x = 24,906,639,487.64
  5. Step 5: Solve for x
    x = 24,906,639,487.64/105,320.25
  6. Step 6: Final answer
    x = 236,484.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.