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Finding the Third Proportional to 66,298 and 102,426

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Solution

The third proportional to 66,298 and 102,426 is: 158,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298 : 102,426 = 102,426 : x
  2. Step 2: Convert to fraction form
    66,298/102,426 = 102,426/x
  3. Step 3: Cross multiply
    66,298x = 102,426 × 102,426
  4. Step 4: Simplify right side
    66,298x = 10,491,085,476
  5. Step 5: Solve for x
    x = 10,491,085,476/66,298
  6. Step 6: Final answer
    x = 158,241.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.