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Finding the Third Proportional to 328,242 and 706,704

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Solution

The third proportional to 328,242 and 706,704 is: 1,521,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,242 : 706,704 = 706,704 : x
  2. Step 2: Convert to fraction form
    328,242/706,704 = 706,704/x
  3. Step 3: Cross multiply
    328,242x = 706,704 × 706,704
  4. Step 4: Simplify right side
    328,242x = 499,430,543,616
  5. Step 5: Solve for x
    x = 499,430,543,616/328,242
  6. Step 6: Final answer
    x = 1,521,531.50

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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.