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Finding the Third Proportional to 54,440 and 83,604

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Solution

The third proportional to 54,440 and 83,604 is: 128,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440 : 83,604 = 83,604 : x
  2. Step 2: Convert to fraction form
    54,440/83,604 = 83,604/x
  3. Step 3: Cross multiply
    54,440x = 83,604 × 83,604
  4. Step 4: Simplify right side
    54,440x = 6,989,628,816
  5. Step 5: Solve for x
    x = 6,989,628,816/54,440
  6. Step 6: Final answer
    x = 128,391.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.