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Finding the Third Proportional to 328,977 and 707,850

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Solution

The third proportional to 328,977 and 707,850 is: 1,523,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,977 : 707,850 = 707,850 : x
  2. Step 2: Convert to fraction form
    328,977/707,850 = 707,850/x
  3. Step 3: Cross multiply
    328,977x = 707,850 × 707,850
  4. Step 4: Simplify right side
    328,977x = 501,051,622,500
  5. Step 5: Solve for x
    x = 501,051,622,500/328,977
  6. Step 6: Final answer
    x = 1,523,059.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.