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Finding the Third Proportional to 53,028 and 82,323

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Solution

The third proportional to 53,028 and 82,323 is: 127,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028 : 82,323 = 82,323 : x
  2. Step 2: Convert to fraction form
    53,028/82,323 = 82,323/x
  3. Step 3: Cross multiply
    53,028x = 82,323 × 82,323
  4. Step 4: Simplify right side
    53,028x = 6,777,076,329
  5. Step 5: Solve for x
    x = 6,777,076,329/53,028
  6. Step 6: Final answer
    x = 127,801.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.