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Finding the Third Proportional to 267,230 and 429,807

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Solution

The third proportional to 267,230 and 429,807 is: 691,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,230 : 429,807 = 429,807 : x
  2. Step 2: Convert to fraction form
    267,230/429,807 = 429,807/x
  3. Step 3: Cross multiply
    267,230x = 429,807 × 429,807
  4. Step 4: Simplify right side
    267,230x = 184,734,057,249
  5. Step 5: Solve for x
    x = 184,734,057,249/267,230
  6. Step 6: Final answer
    x = 691,292.36

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.