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Finding the Third Proportional to 1,326,358.55 and 2,054,344.78

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Solution

The third proportional to 1,326,358.55 and 2,054,344.78 is: 3,181,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,358.55 : 2,054,344.78 = 2,054,344.78 : x
  2. Step 2: Convert to fraction form
    1,326,358.55/2,054,344.78 = 2,054,344.78/x
  3. Step 3: Cross multiply
    1,326,358.55x = 2,054,344.78 × 2,054,344.78
  4. Step 4: Simplify right side
    1,326,358.55x = 4,220,332,480,249.11
  5. Step 5: Solve for x
    x = 4,220,332,480,249.11/1,326,358.55
  6. Step 6: Final answer
    x = 3,181,894.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.