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Finding the Third Proportional to 53,028 and 76,686.75

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Solution

The third proportional to 53,028 and 76,686.75 is: 110,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028 : 76,686.75 = 76,686.75 : x
  2. Step 2: Convert to fraction form
    53,028/76,686.75 = 76,686.75/x
  3. Step 3: Cross multiply
    53,028x = 76,686.75 × 76,686.75
  4. Step 4: Simplify right side
    53,028x = 5,880,857,625.56
  5. Step 5: Solve for x
    x = 5,880,857,625.56/53,028
  6. Step 6: Final answer
    x = 110,900.99

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.