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Finding the Third Proportional to 73,981.50 and 161,803.50

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Solution

The third proportional to 73,981.50 and 161,803.50 is: 353,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,981.50 : 161,803.50 = 161,803.50 : x
  2. Step 2: Convert to fraction form
    73,981.50/161,803.50 = 161,803.50/x
  3. Step 3: Cross multiply
    73,981.50x = 161,803.50 × 161,803.50
  4. Step 4: Simplify right side
    73,981.50x = 26,180,372,612.25
  5. Step 5: Solve for x
    x = 26,180,372,612.25/73,981.50
  6. Step 6: Final answer
    x = 353,877.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.