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Finding the Third Proportional to 319,313 and 532,169

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Solution

The third proportional to 319,313 and 532,169 is: 886,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,313 : 532,169 = 532,169 : x
  2. Step 2: Convert to fraction form
    319,313/532,169 = 532,169/x
  3. Step 3: Cross multiply
    319,313x = 532,169 × 532,169
  4. Step 4: Simplify right side
    319,313x = 283,203,844,561
  5. Step 5: Solve for x
    x = 283,203,844,561/319,313
  6. Step 6: Final answer
    x = 886,916.11

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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.