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Finding the Third Proportional to 70,572.38 and 155,360.25

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Solution

The third proportional to 70,572.38 and 155,360.25 is: 342,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,572.38 : 155,360.25 = 155,360.25 : x
  2. Step 2: Convert to fraction form
    70,572.38/155,360.25 = 155,360.25/x
  3. Step 3: Cross multiply
    70,572.38x = 155,360.25 × 155,360.25
  4. Step 4: Simplify right side
    70,572.38x = 24,136,807,280.06
  5. Step 5: Solve for x
    x = 24,136,807,280.06/70,572.38
  6. Step 6: Final answer
    x = 342,014.95

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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.