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Finding the Third Proportional to 4,543,928 and 9,726,297

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Solution

The third proportional to 4,543,928 and 9,726,297 is: 20,819,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543,928 : 9,726,297 = 9,726,297 : x
  2. Step 2: Convert to fraction form
    4,543,928/9,726,297 = 9,726,297/x
  3. Step 3: Cross multiply
    4,543,928x = 9,726,297 × 9,726,297
  4. Step 4: Simplify right side
    4,543,928x = 94,600,853,332,209
  5. Step 5: Solve for x
    x = 94,600,853,332,209/4,543,928
  6. Step 6: Final answer
    x = 20,819,179.65

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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.