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Finding the Third Proportional to 20,746,970 and 45,671,228

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Solution

The third proportional to 20,746,970 and 45,671,228 is: 100,538,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,970 : 45,671,228 = 45,671,228 : x
  2. Step 2: Convert to fraction form
    20,746,970/45,671,228 = 45,671,228/x
  3. Step 3: Cross multiply
    20,746,970x = 45,671,228 × 45,671,228
  4. Step 4: Simplify right side
    20,746,970x = 2,085,861,067,027,984
  5. Step 5: Solve for x
    x = 2,085,861,067,027,984/20,746,970
  6. Step 6: Final answer
    x = 100,538,105.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.