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Finding the Third Proportional to 494,502 and 741,420

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Solution

The third proportional to 494,502 and 741,420 is: 1,111,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,502 : 741,420 = 741,420 : x
  2. Step 2: Convert to fraction form
    494,502/741,420 = 741,420/x
  3. Step 3: Cross multiply
    494,502x = 741,420 × 741,420
  4. Step 4: Simplify right side
    494,502x = 549,703,616,400
  5. Step 5: Solve for x
    x = 549,703,616,400/494,502
  6. Step 6: Final answer
    x = 1,111,630.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.