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Finding the Third Proportional to 691,272 and 1,482,768

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Solution

The third proportional to 691,272 and 1,482,768 is: 3,180,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,272 : 1,482,768 = 1,482,768 : x
  2. Step 2: Convert to fraction form
    691,272/1,482,768 = 1,482,768/x
  3. Step 3: Cross multiply
    691,272x = 1,482,768 × 1,482,768
  4. Step 4: Simplify right side
    691,272x = 2,198,600,941,824
  5. Step 5: Solve for x
    x = 2,198,600,941,824/691,272
  6. Step 6: Final answer
    x = 3,180,514.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.