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Finding the Third Proportional to 68,484 and 149,426

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Solution

The third proportional to 68,484 and 149,426 is: 326,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,484 : 149,426 = 149,426 : x
  2. Step 2: Convert to fraction form
    68,484/149,426 = 149,426/x
  3. Step 3: Cross multiply
    68,484x = 149,426 × 149,426
  4. Step 4: Simplify right side
    68,484x = 22,328,129,476
  5. Step 5: Solve for x
    x = 22,328,129,476/68,484
  6. Step 6: Final answer
    x = 326,034.25

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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.