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Finding the Third Proportional to 148,445 and 323,530

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Solution

The third proportional to 148,445 and 323,530 is: 705,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,445 : 323,530 = 323,530 : x
  2. Step 2: Convert to fraction form
    148,445/323,530 = 323,530/x
  3. Step 3: Cross multiply
    148,445x = 323,530 × 323,530
  4. Step 4: Simplify right side
    148,445x = 104,671,660,900
  5. Step 5: Solve for x
    x = 104,671,660,900/148,445
  6. Step 6: Final answer
    x = 705,120.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.