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Finding the Third Proportional to 103,754 and 211,312

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Solution

The third proportional to 103,754 and 211,312 is: 430,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,754 : 211,312 = 211,312 : x
  2. Step 2: Convert to fraction form
    103,754/211,312 = 211,312/x
  3. Step 3: Cross multiply
    103,754x = 211,312 × 211,312
  4. Step 4: Simplify right side
    103,754x = 44,652,761,344
  5. Step 5: Solve for x
    x = 44,652,761,344/103,754
  6. Step 6: Final answer
    x = 430,371.47

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.