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Finding the Third Proportional to 54,210 and 117,588

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Solution

The third proportional to 54,210 and 117,588 is: 255,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,210 : 117,588 = 117,588 : x
  2. Step 2: Convert to fraction form
    54,210/117,588 = 117,588/x
  3. Step 3: Cross multiply
    54,210x = 117,588 × 117,588
  4. Step 4: Simplify right side
    54,210x = 13,826,937,744
  5. Step 5: Solve for x
    x = 13,826,937,744/54,210
  6. Step 6: Final answer
    x = 255,062.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.