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Finding the Third Proportional to 38,696,976 and 55,939,356

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Solution

The third proportional to 38,696,976 and 55,939,356 is: 80,864,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,976 : 55,939,356 = 55,939,356 : x
  2. Step 2: Convert to fraction form
    38,696,976/55,939,356 = 55,939,356/x
  3. Step 3: Cross multiply
    38,696,976x = 55,939,356 × 55,939,356
  4. Step 4: Simplify right side
    38,696,976x = 3,129,211,549,694,736
  5. Step 5: Solve for x
    x = 3,129,211,549,694,736/38,696,976
  6. Step 6: Final answer
    x = 80,864,498.29

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.