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Finding the Third Proportional to 53,770 and 83,595

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Solution

The third proportional to 53,770 and 83,595 is: 129,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,770 : 83,595 = 83,595 : x
  2. Step 2: Convert to fraction form
    53,770/83,595 = 83,595/x
  3. Step 3: Cross multiply
    53,770x = 83,595 × 83,595
  4. Step 4: Simplify right side
    53,770x = 6,988,124,025
  5. Step 5: Solve for x
    x = 6,988,124,025/53,770
  6. Step 6: Final answer
    x = 129,963.25

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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.