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Finding the Third Proportional to 73,957.50 and 161,905.50

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Solution

The third proportional to 73,957.50 and 161,905.50 is: 354,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,957.50 : 161,905.50 = 161,905.50 : x
  2. Step 2: Convert to fraction form
    73,957.50/161,905.50 = 161,905.50/x
  3. Step 3: Cross multiply
    73,957.50x = 161,905.50 × 161,905.50
  4. Step 4: Simplify right side
    73,957.50x = 26,213,390,930.25
  5. Step 5: Solve for x
    x = 26,213,390,930.25/73,957.50
  6. Step 6: Final answer
    x = 354,438.58

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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.