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Finding the Third Proportional to 70,016 and 107,619

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Solution

The third proportional to 70,016 and 107,619 is: 165,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016 : 107,619 = 107,619 : x
  2. Step 2: Convert to fraction form
    70,016/107,619 = 107,619/x
  3. Step 3: Cross multiply
    70,016x = 107,619 × 107,619
  4. Step 4: Simplify right side
    70,016x = 11,581,849,161
  5. Step 5: Solve for x
    x = 11,581,849,161/70,016
  6. Step 6: Final answer
    x = 165,417.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.