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Finding the Third Proportional to 187,766.50 and 283,246.50

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Solution

The third proportional to 187,766.50 and 283,246.50 is: 427,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,766.50 : 283,246.50 = 283,246.50 : x
  2. Step 2: Convert to fraction form
    187,766.50/283,246.50 = 283,246.50/x
  3. Step 3: Cross multiply
    187,766.50x = 283,246.50 × 283,246.50
  4. Step 4: Simplify right side
    187,766.50x = 80,228,579,762.25
  5. Step 5: Solve for x
    x = 80,228,579,762.25/187,766.50
  6. Step 6: Final answer
    x = 427,278.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.