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Finding the Third Proportional to 159,684 and 345,948

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Solution

The third proportional to 159,684 and 345,948 is: 749,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,684 : 345,948 = 345,948 : x
  2. Step 2: Convert to fraction form
    159,684/345,948 = 345,948/x
  3. Step 3: Cross multiply
    159,684x = 345,948 × 345,948
  4. Step 4: Simplify right side
    159,684x = 119,680,018,704
  5. Step 5: Solve for x
    x = 119,680,018,704/159,684
  6. Step 6: Final answer
    x = 749,480.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.