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Finding the Third Proportional to 64,362 and 141,812

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Solution

The third proportional to 64,362 and 141,812 is: 312,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,362 : 141,812 = 141,812 : x
  2. Step 2: Convert to fraction form
    64,362/141,812 = 141,812/x
  3. Step 3: Cross multiply
    64,362x = 141,812 × 141,812
  4. Step 4: Simplify right side
    64,362x = 20,110,643,344
  5. Step 5: Solve for x
    x = 20,110,643,344/64,362
  6. Step 6: Final answer
    x = 312,461.44

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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.