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Finding the Third Proportional to 58,957.88 and 90,350.44

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Solution

The third proportional to 58,957.88 and 90,350.44 is: 138,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,957.88 : 90,350.44 = 90,350.44 : x
  2. Step 2: Convert to fraction form
    58,957.88/90,350.44 = 90,350.44/x
  3. Step 3: Cross multiply
    58,957.88x = 90,350.44 × 90,350.44
  4. Step 4: Simplify right side
    58,957.88x = 8,163,201,556.44
  5. Step 5: Solve for x
    x = 8,163,201,556.44/58,957.88
  6. Step 6: Final answer
    x = 138,458.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.