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Finding the Third Proportional to 1,115,859 and 2,417,127

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Solution

The third proportional to 1,115,859 and 2,417,127 is: 5,235,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,859 : 2,417,127 = 2,417,127 : x
  2. Step 2: Convert to fraction form
    1,115,859/2,417,127 = 2,417,127/x
  3. Step 3: Cross multiply
    1,115,859x = 2,417,127 × 2,417,127
  4. Step 4: Simplify right side
    1,115,859x = 5,842,502,934,129
  5. Step 5: Solve for x
    x = 5,842,502,934,129/1,115,859
  6. Step 6: Final answer
    x = 5,235,879.21

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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.