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Finding the Third Proportional to 179,500.50 and 388,719

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Solution

The third proportional to 179,500.50 and 388,719 is: 841,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,500.50 : 388,719 = 388,719 : x
  2. Step 2: Convert to fraction form
    179,500.50/388,719 = 388,719/x
  3. Step 3: Cross multiply
    179,500.50x = 388,719 × 388,719
  4. Step 4: Simplify right side
    179,500.50x = 151,102,460,961
  5. Step 5: Solve for x
    x = 151,102,460,961/179,500.50
  6. Step 6: Final answer
    x = 841,794.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.