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Finding the Third Proportional to 73,915 and 113,768

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Solution

The third proportional to 73,915 and 113,768 is: 175,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,915 : 113,768 = 113,768 : x
  2. Step 2: Convert to fraction form
    73,915/113,768 = 113,768/x
  3. Step 3: Cross multiply
    73,915x = 113,768 × 113,768
  4. Step 4: Simplify right side
    73,915x = 12,943,157,824
  5. Step 5: Solve for x
    x = 12,943,157,824/73,915
  6. Step 6: Final answer
    x = 175,108.68

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.