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Finding the Third Proportional to 955,866 and 2,078,137

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Solution

The third proportional to 955,866 and 2,078,137 is: 4,518,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,866 : 2,078,137 = 2,078,137 : x
  2. Step 2: Convert to fraction form
    955,866/2,078,137 = 2,078,137/x
  3. Step 3: Cross multiply
    955,866x = 2,078,137 × 2,078,137
  4. Step 4: Simplify right side
    955,866x = 4,318,653,390,769
  5. Step 5: Solve for x
    x = 4,318,653,390,769/955,866
  6. Step 6: Final answer
    x = 4,518,053.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.