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Finding the Third Proportional to 58,637.25 and 128,028.94

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Solution

The third proportional to 58,637.25 and 128,028.94 is: 279,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,637.25 : 128,028.94 = 128,028.94 : x
  2. Step 2: Convert to fraction form
    58,637.25/128,028.94 = 128,028.94/x
  3. Step 3: Cross multiply
    58,637.25x = 128,028.94 × 128,028.94
  4. Step 4: Simplify right side
    58,637.25x = 16,391,408,837.38
  5. Step 5: Solve for x
    x = 16,391,408,837.38/58,637.25
  6. Step 6: Final answer
    x = 279,539.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.