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Finding the Third Proportional to 109,341,890 and 240,971,132

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Solution

The third proportional to 109,341,890 and 240,971,132 is: 531,059,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,341,890 : 240,971,132 = 240,971,132 : x
  2. Step 2: Convert to fraction form
    109,341,890/240,971,132 = 240,971,132/x
  3. Step 3: Cross multiply
    109,341,890x = 240,971,132 × 240,971,132
  4. Step 4: Simplify right side
    109,341,890x = 58,067,086,457,361,424
  5. Step 5: Solve for x
    x = 58,067,086,457,361,424/109,341,890
  6. Step 6: Final answer
    x = 531,059,838.62

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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.