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Finding the Third Proportional to 319,312 and 532,165

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Solution

The third proportional to 319,312 and 532,165 is: 886,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,312 : 532,165 = 532,165 : x
  2. Step 2: Convert to fraction form
    319,312/532,165 = 532,165/x
  3. Step 3: Cross multiply
    319,312x = 532,165 × 532,165
  4. Step 4: Simplify right side
    319,312x = 283,199,587,225
  5. Step 5: Solve for x
    x = 283,199,587,225/319,312
  6. Step 6: Final answer
    x = 886,905.56

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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.