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Finding the Third Proportional to 68,622 and 148,476

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Solution

The third proportional to 68,622 and 148,476 is: 321,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622 : 148,476 = 148,476 : x
  2. Step 2: Convert to fraction form
    68,622/148,476 = 148,476/x
  3. Step 3: Cross multiply
    68,622x = 148,476 × 148,476
  4. Step 4: Simplify right side
    68,622x = 22,045,122,576
  5. Step 5: Solve for x
    x = 22,045,122,576/68,622
  6. Step 6: Final answer
    x = 321,254.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.