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Finding the Third Proportional to 4,948,816.50 and 7,454,890.69

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Solution

The third proportional to 4,948,816.50 and 7,454,890.69 is: 11,230,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948,816.50 : 7,454,890.69 = 7,454,890.69 : x
  2. Step 2: Convert to fraction form
    4,948,816.50/7,454,890.69 = 7,454,890.69/x
  3. Step 3: Cross multiply
    4,948,816.50x = 7,454,890.69 × 7,454,890.69
  4. Step 4: Simplify right side
    4,948,816.50x = 55,575,395,162,574.22
  5. Step 5: Solve for x
    x = 55,575,395,162,574.22/4,948,816.50
  6. Step 6: Final answer
    x = 11,230,037.56

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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.