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Finding the Third Proportional to 140,776 and 303,556

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Solution

The third proportional to 140,776 and 303,556 is: 654,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,776 : 303,556 = 303,556 : x
  2. Step 2: Convert to fraction form
    140,776/303,556 = 303,556/x
  3. Step 3: Cross multiply
    140,776x = 303,556 × 303,556
  4. Step 4: Simplify right side
    140,776x = 92,146,245,136
  5. Step 5: Solve for x
    x = 92,146,245,136/140,776
  6. Step 6: Final answer
    x = 654,559.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.