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Finding the Third Proportional to 372,415,544 and 809,293,156

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Solution

The third proportional to 372,415,544 and 809,293,156 is: 1,758,668,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,415,544 : 809,293,156 = 809,293,156 : x
  2. Step 2: Convert to fraction form
    372,415,544/809,293,156 = 809,293,156/x
  3. Step 3: Cross multiply
    372,415,544x = 809,293,156 × 809,293,156
  4. Step 4: Simplify right side
    372,415,544x = 654,955,412,348,440,320
  5. Step 5: Solve for x
    x = 654,955,412,348,440,320/372,415,544
  6. Step 6: Final answer
    x = 1,758,668,301.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.