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Finding the Third Proportional to 1,377,897 and 1,959,681

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Solution

The third proportional to 1,377,897 and 1,959,681 is: 2,787,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,897 : 1,959,681 = 1,959,681 : x
  2. Step 2: Convert to fraction form
    1,377,897/1,959,681 = 1,959,681/x
  3. Step 3: Cross multiply
    1,377,897x = 1,959,681 × 1,959,681
  4. Step 4: Simplify right side
    1,377,897x = 3,840,349,621,761
  5. Step 5: Solve for x
    x = 3,840,349,621,761/1,377,897
  6. Step 6: Final answer
    x = 2,787,109.36

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.