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Finding the Third Proportional to 51,996 and 74,357

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Solution

The third proportional to 51,996 and 74,357 is: 106,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,996 : 74,357 = 74,357 : x
  2. Step 2: Convert to fraction form
    51,996/74,357 = 74,357/x
  3. Step 3: Cross multiply
    51,996x = 74,357 × 74,357
  4. Step 4: Simplify right side
    51,996x = 5,528,963,449
  5. Step 5: Solve for x
    x = 5,528,963,449/51,996
  6. Step 6: Final answer
    x = 106,334.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.