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Finding the Third Proportional to 672,228 and 1,041,392

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Solution

The third proportional to 672,228 and 1,041,392 is: 1,613,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,228 : 1,041,392 = 1,041,392 : x
  2. Step 2: Convert to fraction form
    672,228/1,041,392 = 1,041,392/x
  3. Step 3: Cross multiply
    672,228x = 1,041,392 × 1,041,392
  4. Step 4: Simplify right side
    672,228x = 1,084,497,297,664
  5. Step 5: Solve for x
    x = 1,084,497,297,664/672,228
  6. Step 6: Final answer
    x = 1,613,287.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.