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Finding the Third Proportional to 35,768 and 78,536

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Solution

The third proportional to 35,768 and 78,536 is: 172,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,768 : 78,536 = 78,536 : x
  2. Step 2: Convert to fraction form
    35,768/78,536 = 78,536/x
  3. Step 3: Cross multiply
    35,768x = 78,536 × 78,536
  4. Step 4: Simplify right side
    35,768x = 6,167,903,296
  5. Step 5: Solve for x
    x = 6,167,903,296/35,768
  6. Step 6: Final answer
    x = 172,441.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.