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Finding the Third Proportional to 3,240,904.50 and 7,079,778

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Solution

The third proportional to 3,240,904.50 and 7,079,778 is: 15,465,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,904.50 : 7,079,778 = 7,079,778 : x
  2. Step 2: Convert to fraction form
    3,240,904.50/7,079,778 = 7,079,778/x
  3. Step 3: Cross multiply
    3,240,904.50x = 7,079,778 × 7,079,778
  4. Step 4: Simplify right side
    3,240,904.50x = 50,123,256,529,284
  5. Step 5: Solve for x
    x = 50,123,256,529,284/3,240,904.50
  6. Step 6: Final answer
    x = 15,465,823.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.