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Finding the Third Proportional to 42,764 and 93,655

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Solution

The third proportional to 42,764 and 93,655 is: 205,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,764 : 93,655 = 93,655 : x
  2. Step 2: Convert to fraction form
    42,764/93,655 = 93,655/x
  3. Step 3: Cross multiply
    42,764x = 93,655 × 93,655
  4. Step 4: Simplify right side
    42,764x = 8,771,259,025
  5. Step 5: Solve for x
    x = 8,771,259,025/42,764
  6. Step 6: Final answer
    x = 205,108.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.