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Finding the Third Proportional to 5,412,928.78 and 7,154,922.38

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Solution

The third proportional to 5,412,928.78 and 7,154,922.38 is: 9,457,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,928.78 : 7,154,922.38 = 7,154,922.38 : x
  2. Step 2: Convert to fraction form
    5,412,928.78/7,154,922.38 = 7,154,922.38/x
  3. Step 3: Cross multiply
    5,412,928.78x = 7,154,922.38 × 7,154,922.38
  4. Step 4: Simplify right side
    5,412,928.78x = 51,192,914,192,275.64
  5. Step 5: Solve for x
    x = 51,192,914,192,275.64/5,412,928.78
  6. Step 6: Final answer
    x = 9,457,525.91

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.