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Finding the Third Proportional to 38,632,479 and 82,873,090

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Solution

The third proportional to 38,632,479 and 82,873,090 is: 177,776,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632,479 : 82,873,090 = 82,873,090 : x
  2. Step 2: Convert to fraction form
    38,632,479/82,873,090 = 82,873,090/x
  3. Step 3: Cross multiply
    38,632,479x = 82,873,090 × 82,873,090
  4. Step 4: Simplify right side
    38,632,479x = 6,867,949,046,148,100
  5. Step 5: Solve for x
    x = 6,867,949,046,148,100/38,632,479
  6. Step 6: Final answer
    x = 177,776,555.48

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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.