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Finding the Third Proportional to 99,336,450 and 148,392,867

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Solution

The third proportional to 99,336,450 and 148,392,867 is: 221,675,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,336,450 : 148,392,867 = 148,392,867 : x
  2. Step 2: Convert to fraction form
    99,336,450/148,392,867 = 148,392,867/x
  3. Step 3: Cross multiply
    99,336,450x = 148,392,867 × 148,392,867
  4. Step 4: Simplify right side
    99,336,450x = 22,020,442,976,479,688
  5. Step 5: Solve for x
    x = 22,020,442,976,479,688/99,336,450
  6. Step 6: Final answer
    x = 221,675,356.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.