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Finding the Third Proportional to 110,346.75 and 155,389.50

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Solution

The third proportional to 110,346.75 and 155,389.50 is: 218,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,346.75 : 155,389.50 = 155,389.50 : x
  2. Step 2: Convert to fraction form
    110,346.75/155,389.50 = 155,389.50/x
  3. Step 3: Cross multiply
    110,346.75x = 155,389.50 × 155,389.50
  4. Step 4: Simplify right side
    110,346.75x = 24,145,896,710.25
  5. Step 5: Solve for x
    x = 24,145,896,710.25/110,346.75
  6. Step 6: Final answer
    x = 218,818.38

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.