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Finding the Third Proportional to 92,455.50 and 189,280.50

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Solution

The third proportional to 92,455.50 and 189,280.50 is: 387,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,455.50 : 189,280.50 = 189,280.50 : x
  2. Step 2: Convert to fraction form
    92,455.50/189,280.50 = 189,280.50/x
  3. Step 3: Cross multiply
    92,455.50x = 189,280.50 × 189,280.50
  4. Step 4: Simplify right side
    92,455.50x = 35,827,107,680.25
  5. Step 5: Solve for x
    x = 35,827,107,680.25/92,455.50
  6. Step 6: Final answer
    x = 387,506.51

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.