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Finding the Third Proportional to 103,032 and 212,679

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Solution

The third proportional to 103,032 and 212,679 is: 439,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,032 : 212,679 = 212,679 : x
  2. Step 2: Convert to fraction form
    103,032/212,679 = 212,679/x
  3. Step 3: Cross multiply
    103,032x = 212,679 × 212,679
  4. Step 4: Simplify right side
    103,032x = 45,232,357,041
  5. Step 5: Solve for x
    x = 45,232,357,041/103,032
  6. Step 6: Final answer
    x = 439,012.71

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.