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Finding the Third Proportional to 392,508 and 604,044

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Solution

The third proportional to 392,508 and 604,044 is: 929,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,508 : 604,044 = 604,044 : x
  2. Step 2: Convert to fraction form
    392,508/604,044 = 604,044/x
  3. Step 3: Cross multiply
    392,508x = 604,044 × 604,044
  4. Step 4: Simplify right side
    392,508x = 364,869,153,936
  5. Step 5: Solve for x
    x = 364,869,153,936/392,508
  6. Step 6: Final answer
    x = 929,583.99

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.