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Finding the Third Proportional to 291,176 and 633,632

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Solution

The third proportional to 291,176 and 633,632 is: 1,378,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,176 : 633,632 = 633,632 : x
  2. Step 2: Convert to fraction form
    291,176/633,632 = 633,632/x
  3. Step 3: Cross multiply
    291,176x = 633,632 × 633,632
  4. Step 4: Simplify right side
    291,176x = 401,489,511,424
  5. Step 5: Solve for x
    x = 401,489,511,424/291,176
  6. Step 6: Final answer
    x = 1,378,855.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.