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Finding the Third Proportional to 192,792 and 417,840

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Solution

The third proportional to 192,792 and 417,840 is: 905,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,792 : 417,840 = 417,840 : x
  2. Step 2: Convert to fraction form
    192,792/417,840 = 417,840/x
  3. Step 3: Cross multiply
    192,792x = 417,840 × 417,840
  4. Step 4: Simplify right side
    192,792x = 174,590,265,600
  5. Step 5: Solve for x
    x = 174,590,265,600/192,792
  6. Step 6: Final answer
    x = 905,588.75

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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.