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Finding the Third Proportional to 392,334 and 606,248

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Solution

The third proportional to 392,334 and 606,248 is: 936,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,334 : 606,248 = 606,248 : x
  2. Step 2: Convert to fraction form
    392,334/606,248 = 606,248/x
  3. Step 3: Cross multiply
    392,334x = 606,248 × 606,248
  4. Step 4: Simplify right side
    392,334x = 367,536,637,504
  5. Step 5: Solve for x
    x = 367,536,637,504/392,334
  6. Step 6: Final answer
    x = 936,795.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.