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Finding the Third Proportional to 70,603.13 and 155,200.88

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Solution

The third proportional to 70,603.13 and 155,200.88 is: 341,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,603.13 : 155,200.88 = 155,200.88 : x
  2. Step 2: Convert to fraction form
    70,603.13/155,200.88 = 155,200.88/x
  3. Step 3: Cross multiply
    70,603.13x = 155,200.88 × 155,200.88
  4. Step 4: Simplify right side
    70,603.13x = 24,087,311,600.77
  5. Step 5: Solve for x
    x = 24,087,311,600.77/70,603.13
  6. Step 6: Final answer
    x = 341,164.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.