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Finding the Third Proportional to 285,436 and 444,492

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Solution

The third proportional to 285,436 and 444,492 is: 692,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,436 : 444,492 = 444,492 : x
  2. Step 2: Convert to fraction form
    285,436/444,492 = 444,492/x
  3. Step 3: Cross multiply
    285,436x = 444,492 × 444,492
  4. Step 4: Simplify right side
    285,436x = 197,573,138,064
  5. Step 5: Solve for x
    x = 197,573,138,064/285,436
  6. Step 6: Final answer
    x = 692,180.17

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.