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Finding the Third Proportional to 58,371.61 and 128,167.03

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Solution

The third proportional to 58,371.61 and 128,167.03 is: 281,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,371.61 : 128,167.03 = 128,167.03 : x
  2. Step 2: Convert to fraction form
    58,371.61/128,167.03 = 128,167.03/x
  3. Step 3: Cross multiply
    58,371.61x = 128,167.03 × 128,167.03
  4. Step 4: Simplify right side
    58,371.61x = 16,426,787,899.44
  5. Step 5: Solve for x
    x = 16,426,787,899.44/58,371.61
  6. Step 6: Final answer
    x = 281,417.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.