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Finding the Third Proportional to 186,267,867 and 391,842,571

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Solution

The third proportional to 186,267,867 and 391,842,571 is: 824,299,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,267,867 : 391,842,571 = 391,842,571 : x
  2. Step 2: Convert to fraction form
    186,267,867/391,842,571 = 391,842,571/x
  3. Step 3: Cross multiply
    186,267,867x = 391,842,571 × 391,842,571
  4. Step 4: Simplify right side
    186,267,867x = 153,540,600,447,890,048
  5. Step 5: Solve for x
    x = 153,540,600,447,890,048/186,267,867
  6. Step 6: Final answer
    x = 824,299,987.54

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.