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Finding the Third Proportional to 148,754 and 326,896

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Solution

The third proportional to 148,754 and 326,896 is: 718,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,754 : 326,896 = 326,896 : x
  2. Step 2: Convert to fraction form
    148,754/326,896 = 326,896/x
  3. Step 3: Cross multiply
    148,754x = 326,896 × 326,896
  4. Step 4: Simplify right side
    148,754x = 106,860,994,816
  5. Step 5: Solve for x
    x = 106,860,994,816/148,754
  6. Step 6: Final answer
    x = 718,373.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.