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Finding the Third Proportional to 70,237.13 and 109,162.69

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Solution

The third proportional to 70,237.13 and 109,162.69 is: 169,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,237.13 : 109,162.69 = 109,162.69 : x
  2. Step 2: Convert to fraction form
    70,237.13/109,162.69 = 109,162.69/x
  3. Step 3: Cross multiply
    70,237.13x = 109,162.69 × 109,162.69
  4. Step 4: Simplify right side
    70,237.13x = 11,916,492,342.22
  5. Step 5: Solve for x
    x = 11,916,492,342.22/70,237.13
  6. Step 6: Final answer
    x = 169,660.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.