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Finding the Third Proportional to 1,999,206 and 4,387,482

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Solution

The third proportional to 1,999,206 and 4,387,482 is: 9,628,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,206 : 4,387,482 = 4,387,482 : x
  2. Step 2: Convert to fraction form
    1,999,206/4,387,482 = 4,387,482/x
  3. Step 3: Cross multiply
    1,999,206x = 4,387,482 × 4,387,482
  4. Step 4: Simplify right side
    1,999,206x = 19,249,998,300,324
  5. Step 5: Solve for x
    x = 19,249,998,300,324/1,999,206
  6. Step 6: Final answer
    x = 9,628,821.79

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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.