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Finding the Third Proportional to 53,288 and 79,564

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Solution

The third proportional to 53,288 and 79,564 is: 118,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,288 : 79,564 = 79,564 : x
  2. Step 2: Convert to fraction form
    53,288/79,564 = 79,564/x
  3. Step 3: Cross multiply
    53,288x = 79,564 × 79,564
  4. Step 4: Simplify right side
    53,288x = 6,330,430,096
  5. Step 5: Solve for x
    x = 6,330,430,096/53,288
  6. Step 6: Final answer
    x = 118,796.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.