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Finding the Third Proportional to 103,634 and 215,057

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Solution

The third proportional to 103,634 and 215,057 is: 446,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634 : 215,057 = 215,057 : x
  2. Step 2: Convert to fraction form
    103,634/215,057 = 215,057/x
  3. Step 3: Cross multiply
    103,634x = 215,057 × 215,057
  4. Step 4: Simplify right side
    103,634x = 46,249,513,249
  5. Step 5: Solve for x
    x = 46,249,513,249/103,634
  6. Step 6: Final answer
    x = 446,277.41

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.