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Finding the Third Proportional to 319,315 and 532,169.50

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Solution

The third proportional to 319,315 and 532,169.50 is: 886,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,315 : 532,169.50 = 532,169.50 : x
  2. Step 2: Convert to fraction form
    319,315/532,169.50 = 532,169.50/x
  3. Step 3: Cross multiply
    319,315x = 532,169.50 × 532,169.50
  4. Step 4: Simplify right side
    319,315x = 283,204,376,730.25
  5. Step 5: Solve for x
    x = 283,204,376,730.25/319,315
  6. Step 6: Final answer
    x = 886,912.22

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.