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Finding the Third Proportional to 148,580 and 324,264

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Solution

The third proportional to 148,580 and 324,264 is: 707,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,580 : 324,264 = 324,264 : x
  2. Step 2: Convert to fraction form
    148,580/324,264 = 324,264/x
  3. Step 3: Cross multiply
    148,580x = 324,264 × 324,264
  4. Step 4: Simplify right side
    148,580x = 105,147,141,696
  5. Step 5: Solve for x
    x = 105,147,141,696/148,580
  6. Step 6: Final answer
    x = 707,680.32

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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.