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Finding the Third Proportional to 108,719.16 and 220,359.38

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Solution

The third proportional to 108,719.16 and 220,359.38 is: 446,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,719.16 : 220,359.38 = 220,359.38 : x
  2. Step 2: Convert to fraction form
    108,719.16/220,359.38 = 220,359.38/x
  3. Step 3: Cross multiply
    108,719.16x = 220,359.38 × 220,359.38
  4. Step 4: Simplify right side
    108,719.16x = 48,558,254,150.39
  5. Step 5: Solve for x
    x = 48,558,254,150.39/108,719.16
  6. Step 6: Final answer
    x = 446,639.36

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.