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Finding the Third Proportional to 808,514 and 1,212,669

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Solution

The third proportional to 808,514 and 1,212,669 is: 1,818,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,514 : 1,212,669 = 1,212,669 : x
  2. Step 2: Convert to fraction form
    808,514/1,212,669 = 1,212,669/x
  3. Step 3: Cross multiply
    808,514x = 1,212,669 × 1,212,669
  4. Step 4: Simplify right side
    808,514x = 1,470,566,103,561
  5. Step 5: Solve for x
    x = 1,470,566,103,561/808,514
  6. Step 6: Final answer
    x = 1,818,850.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.