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Finding the Third Proportional to 126,890,472 and 191,175,804

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Solution

The third proportional to 126,890,472 and 191,175,804 is: 288,029,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,890,472 : 191,175,804 = 191,175,804 : x
  2. Step 2: Convert to fraction form
    126,890,472/191,175,804 = 191,175,804/x
  3. Step 3: Cross multiply
    126,890,472x = 191,175,804 × 191,175,804
  4. Step 4: Simplify right side
    126,890,472x = 36,548,188,035,046,416
  5. Step 5: Solve for x
    x = 36,548,188,035,046,416/126,890,472
  6. Step 6: Final answer
    x = 288,029,411.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.