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Finding the Third Proportional to 1,827,439 and 2,678,821

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Solution

The third proportional to 1,827,439 and 2,678,821 is: 3,926,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,439 : 2,678,821 = 2,678,821 : x
  2. Step 2: Convert to fraction form
    1,827,439/2,678,821 = 2,678,821/x
  3. Step 3: Cross multiply
    1,827,439x = 2,678,821 × 2,678,821
  4. Step 4: Simplify right side
    1,827,439x = 7,176,081,950,041
  5. Step 5: Solve for x
    x = 7,176,081,950,041/1,827,439
  6. Step 6: Final answer
    x = 3,926,851.70

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.