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Finding the Third Proportional to 193,885.50 and 289,670.25

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Solution

The third proportional to 193,885.50 and 289,670.25 is: 432,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,885.50 : 289,670.25 = 289,670.25 : x
  2. Step 2: Convert to fraction form
    193,885.50/289,670.25 = 289,670.25/x
  3. Step 3: Cross multiply
    193,885.50x = 289,670.25 × 289,670.25
  4. Step 4: Simplify right side
    193,885.50x = 83,908,853,735.06
  5. Step 5: Solve for x
    x = 83,908,853,735.06/193,885.50
  6. Step 6: Final answer
    x = 432,775.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.