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Finding the Third Proportional to 103,840.42 and 155,587.71

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Solution

The third proportional to 103,840.42 and 155,587.71 is: 233,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,840.42 : 155,587.71 = 155,587.71 : x
  2. Step 2: Convert to fraction form
    103,840.42/155,587.71 = 155,587.71/x
  3. Step 3: Cross multiply
    103,840.42x = 155,587.71 × 155,587.71
  4. Step 4: Simplify right side
    103,840.42x = 24,207,535,794.77
  5. Step 5: Solve for x
    x = 24,207,535,794.77/103,840.42
  6. Step 6: Final answer
    x = 233,122.48

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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.