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Finding the Third Proportional to 73,783 and 163,072

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Solution

The third proportional to 73,783 and 163,072 is: 360,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,783 : 163,072 = 163,072 : x
  2. Step 2: Convert to fraction form
    73,783/163,072 = 163,072/x
  3. Step 3: Cross multiply
    73,783x = 163,072 × 163,072
  4. Step 4: Simplify right side
    73,783x = 26,592,477,184
  5. Step 5: Solve for x
    x = 26,592,477,184/73,783
  6. Step 6: Final answer
    x = 360,414.69

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.