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Finding the Third Proportional to 35,299 and 77,510

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Solution

The third proportional to 35,299 and 77,510 is: 170,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,299 : 77,510 = 77,510 : x
  2. Step 2: Convert to fraction form
    35,299/77,510 = 77,510/x
  3. Step 3: Cross multiply
    35,299x = 77,510 × 77,510
  4. Step 4: Simplify right side
    35,299x = 6,007,800,100
  5. Step 5: Solve for x
    x = 6,007,800,100/35,299
  6. Step 6: Final answer
    x = 170,197.46

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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.