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Finding the Third Proportional to 4,579,872 and 6,729,792

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Solution

The third proportional to 4,579,872 and 6,729,792 is: 9,888,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,872 : 6,729,792 = 6,729,792 : x
  2. Step 2: Convert to fraction form
    4,579,872/6,729,792 = 6,729,792/x
  3. Step 3: Cross multiply
    4,579,872x = 6,729,792 × 6,729,792
  4. Step 4: Simplify right side
    4,579,872x = 45,290,100,363,264
  5. Step 5: Solve for x
    x = 45,290,100,363,264/4,579,872
  6. Step 6: Final answer
    x = 9,888,944.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.