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Finding the Third Proportional to 3,226,434.75 and 7,021,854

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Solution

The third proportional to 3,226,434.75 and 7,021,854 is: 15,282,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226,434.75 : 7,021,854 = 7,021,854 : x
  2. Step 2: Convert to fraction form
    3,226,434.75/7,021,854 = 7,021,854/x
  3. Step 3: Cross multiply
    3,226,434.75x = 7,021,854 × 7,021,854
  4. Step 4: Simplify right side
    3,226,434.75x = 49,306,433,597,316
  5. Step 5: Solve for x
    x = 49,306,433,597,316/3,226,434.75
  6. Step 6: Final answer
    x = 15,282,017.90

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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.