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Finding the Third Proportional to 187,073.16 and 285,280.45

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Solution

The third proportional to 187,073.16 and 285,280.45 is: 435,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,073.16 : 285,280.45 = 285,280.45 : x
  2. Step 2: Convert to fraction form
    187,073.16/285,280.45 = 285,280.45/x
  3. Step 3: Cross multiply
    187,073.16x = 285,280.45 × 285,280.45
  4. Step 4: Simplify right side
    187,073.16x = 81,384,936,935.21
  5. Step 5: Solve for x
    x = 81,384,936,935.21/187,073.16
  6. Step 6: Final answer
    x = 435,043.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.