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Finding the Third Proportional to 291,145.50 and 444,494.25

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Solution

The third proportional to 291,145.50 and 444,494.25 is: 678,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,145.50 : 444,494.25 = 444,494.25 : x
  2. Step 2: Convert to fraction form
    291,145.50/444,494.25 = 444,494.25/x
  3. Step 3: Cross multiply
    291,145.50x = 444,494.25 × 444,494.25
  4. Step 4: Simplify right side
    291,145.50x = 197,575,138,283.06
  5. Step 5: Solve for x
    x = 197,575,138,283.06/291,145.50
  6. Step 6: Final answer
    x = 678,613.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.