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Finding the Third Proportional to 1,197,040.78 and 2,626,894.55

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Solution

The third proportional to 1,197,040.78 and 2,626,894.55 is: 5,764,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,040.78 : 2,626,894.55 = 2,626,894.55 : x
  2. Step 2: Convert to fraction form
    1,197,040.78/2,626,894.55 = 2,626,894.55/x
  3. Step 3: Cross multiply
    1,197,040.78x = 2,626,894.55 × 2,626,894.55
  4. Step 4: Simplify right side
    1,197,040.78x = 6,900,574,960,401.61
  5. Step 5: Solve for x
    x = 6,900,574,960,401.61/1,197,040.78
  6. Step 6: Final answer
    x = 5,764,694.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.