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Finding the Third Proportional to 1,798,951.78 and 3,934,204.17

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Solution

The third proportional to 1,798,951.78 and 3,934,204.17 is: 8,603,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,951.78 : 3,934,204.17 = 3,934,204.17 : x
  2. Step 2: Convert to fraction form
    1,798,951.78/3,934,204.17 = 3,934,204.17/x
  3. Step 3: Cross multiply
    1,798,951.78x = 3,934,204.17 × 3,934,204.17
  4. Step 4: Simplify right side
    1,798,951.78x = 15,477,962,465,998.65
  5. Step 5: Solve for x
    x = 15,477,962,465,998.65/1,798,951.78
  6. Step 6: Final answer
    x = 8,603,878.45

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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.