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Finding the Third Proportional to 366,938 and 561,347

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Solution

The third proportional to 366,938 and 561,347 is: 858,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938 : 561,347 = 561,347 : x
  2. Step 2: Convert to fraction form
    366,938/561,347 = 561,347/x
  3. Step 3: Cross multiply
    366,938x = 561,347 × 561,347
  4. Step 4: Simplify right side
    366,938x = 315,110,454,409
  5. Step 5: Solve for x
    x = 315,110,454,409/366,938
  6. Step 6: Final answer
    x = 858,756.67

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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.