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Finding the Third Proportional to 57,664 and 84,264

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Solution

The third proportional to 57,664 and 84,264 is: 123,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664 : 84,264 = 84,264 : x
  2. Step 2: Convert to fraction form
    57,664/84,264 = 84,264/x
  3. Step 3: Cross multiply
    57,664x = 84,264 × 84,264
  4. Step 4: Simplify right side
    57,664x = 7,100,421,696
  5. Step 5: Solve for x
    x = 7,100,421,696/57,664
  6. Step 6: Final answer
    x = 123,134.39

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.