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Finding the Third Proportional to 117,984 and 256,701

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Solution

The third proportional to 117,984 and 256,701 is: 558,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,984 : 256,701 = 256,701 : x
  2. Step 2: Convert to fraction form
    117,984/256,701 = 256,701/x
  3. Step 3: Cross multiply
    117,984x = 256,701 × 256,701
  4. Step 4: Simplify right side
    117,984x = 65,895,403,401
  5. Step 5: Solve for x
    x = 65,895,403,401/117,984
  6. Step 6: Final answer
    x = 558,511.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.