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Finding the Third Proportional to 573,328 and 889,556

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Solution

The third proportional to 573,328 and 889,556 is: 1,380,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,328 : 889,556 = 889,556 : x
  2. Step 2: Convert to fraction form
    573,328/889,556 = 889,556/x
  3. Step 3: Cross multiply
    573,328x = 889,556 × 889,556
  4. Step 4: Simplify right side
    573,328x = 791,309,877,136
  5. Step 5: Solve for x
    x = 791,309,877,136/573,328
  6. Step 6: Final answer
    x = 1,380,204.49

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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.