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Finding the Third Proportional to 147,692 and 320,088

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Solution

The third proportional to 147,692 and 320,088 is: 693,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,692 : 320,088 = 320,088 : x
  2. Step 2: Convert to fraction form
    147,692/320,088 = 320,088/x
  3. Step 3: Cross multiply
    147,692x = 320,088 × 320,088
  4. Step 4: Simplify right side
    147,692x = 102,456,327,744
  5. Step 5: Solve for x
    x = 102,456,327,744/147,692
  6. Step 6: Final answer
    x = 693,716.16

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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.