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Finding the Third Proportional to 38,632,478 and 82,873,088

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Solution

The third proportional to 38,632,478 and 82,873,088 is: 177,776,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632,478 : 82,873,088 = 82,873,088 : x
  2. Step 2: Convert to fraction form
    38,632,478/82,873,088 = 82,873,088/x
  3. Step 3: Cross multiply
    38,632,478x = 82,873,088 × 82,873,088
  4. Step 4: Simplify right side
    38,632,478x = 6,867,948,714,655,744
  5. Step 5: Solve for x
    x = 6,867,948,714,655,744/38,632,478
  6. Step 6: Final answer
    x = 177,776,551.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.