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Finding the Third Proportional to 124,420 and 194,406

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Solution

The third proportional to 124,420 and 194,406 is: 303,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420 : 194,406 = 194,406 : x
  2. Step 2: Convert to fraction form
    124,420/194,406 = 194,406/x
  3. Step 3: Cross multiply
    124,420x = 194,406 × 194,406
  4. Step 4: Simplify right side
    124,420x = 37,793,692,836
  5. Step 5: Solve for x
    x = 37,793,692,836/124,420
  6. Step 6: Final answer
    x = 303,758.98

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.