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Finding the Third Proportional to 319,318 and 532,176

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Solution

The third proportional to 319,318 and 532,176 is: 886,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,318 : 532,176 = 532,176 : x
  2. Step 2: Convert to fraction form
    319,318/532,176 = 532,176/x
  3. Step 3: Cross multiply
    319,318x = 532,176 × 532,176
  4. Step 4: Simplify right side
    319,318x = 283,211,294,976
  5. Step 5: Solve for x
    x = 283,211,294,976/319,318
  6. Step 6: Final answer
    x = 886,925.56

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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.