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Finding the Third Proportional to 73,320 and 147,777

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Solution

The third proportional to 73,320 and 147,777 is: 297,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,320 : 147,777 = 147,777 : x
  2. Step 2: Convert to fraction form
    73,320/147,777 = 147,777/x
  3. Step 3: Cross multiply
    73,320x = 147,777 × 147,777
  4. Step 4: Simplify right side
    73,320x = 21,838,041,729
  5. Step 5: Solve for x
    x = 21,838,041,729/73,320
  6. Step 6: Final answer
    x = 297,845.63

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.