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Finding the Third Proportional to 3,215,057,940 and 6,922,746,922.50

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Solution

The third proportional to 3,215,057,940 and 6,922,746,922.50 is: 14,906,239,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,057,940 : 6,922,746,922.50 = 6,922,746,922.50 : x
  2. Step 2: Convert to fraction form
    3,215,057,940/6,922,746,922.50 = 6,922,746,922.50/x
  3. Step 3: Cross multiply
    3,215,057,940x = 6,922,746,922.50 × 6,922,746,922.50
  4. Step 4: Simplify right side
    3,215,057,940x = 47,924,424,952,983,224,320
  5. Step 5: Solve for x
    x = 47,924,424,952,983,224,320/3,215,057,940
  6. Step 6: Final answer
    x = 14,906,239,902.16

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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.