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Finding the Third Proportional to 67,395 and 145,968

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Solution

The third proportional to 67,395 and 145,968 is: 316,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,395 : 145,968 = 145,968 : x
  2. Step 2: Convert to fraction form
    67,395/145,968 = 145,968/x
  3. Step 3: Cross multiply
    67,395x = 145,968 × 145,968
  4. Step 4: Simplify right side
    67,395x = 21,306,657,024
  5. Step 5: Solve for x
    x = 21,306,657,024/67,395
  6. Step 6: Final answer
    x = 316,145.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.