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Finding the Third Proportional to 306,034,521.75 and 664,027,776.56

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Solution

The third proportional to 306,034,521.75 and 664,027,776.56 is: 1,440,794,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,034,521.75 : 664,027,776.56 = 664,027,776.56 : x
  2. Step 2: Convert to fraction form
    306,034,521.75/664,027,776.56 = 664,027,776.56/x
  3. Step 3: Cross multiply
    306,034,521.75x = 664,027,776.56 × 664,027,776.56
  4. Step 4: Simplify right side
    306,034,521.75x = 440,932,888,046,537,408
  5. Step 5: Solve for x
    x = 440,932,888,046,537,408/306,034,521.75
  6. Step 6: Final answer
    x = 1,440,794,605.54

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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.