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Finding the Third Proportional to 201,646 and 313,632

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Solution

The third proportional to 201,646 and 313,632 is: 487,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,646 : 313,632 = 313,632 : x
  2. Step 2: Convert to fraction form
    201,646/313,632 = 313,632/x
  3. Step 3: Cross multiply
    201,646x = 313,632 × 313,632
  4. Step 4: Simplify right side
    201,646x = 98,365,031,424
  5. Step 5: Solve for x
    x = 98,365,031,424/201,646
  6. Step 6: Final answer
    x = 487,810.48

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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.