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Finding the Third Proportional to 89,728,604 and 191,892,488

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Solution

The third proportional to 89,728,604 and 191,892,488 is: 410,378,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,728,604 : 191,892,488 = 191,892,488 : x
  2. Step 2: Convert to fraction form
    89,728,604/191,892,488 = 191,892,488/x
  3. Step 3: Cross multiply
    89,728,604x = 191,892,488 × 191,892,488
  4. Step 4: Simplify right side
    89,728,604x = 36,822,726,950,830,144
  5. Step 5: Solve for x
    x = 36,822,726,950,830,144/89,728,604
  6. Step 6: Final answer
    x = 410,378,912.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.