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Finding the Third Proportional to 70,372.50 and 106,162.50

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Solution

The third proportional to 70,372.50 and 106,162.50 is: 160,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.50 : 106,162.50 = 106,162.50 : x
  2. Step 2: Convert to fraction form
    70,372.50/106,162.50 = 106,162.50/x
  3. Step 3: Cross multiply
    70,372.50x = 106,162.50 × 106,162.50
  4. Step 4: Simplify right side
    70,372.50x = 11,270,476,406.25
  5. Step 5: Solve for x
    x = 11,270,476,406.25/70,372.50
  6. Step 6: Final answer
    x = 160,154.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.