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Finding the Third Proportional to 53,913.75 and 116,990.25

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Solution

The third proportional to 53,913.75 and 116,990.25 is: 253,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.75 : 116,990.25 = 116,990.25 : x
  2. Step 2: Convert to fraction form
    53,913.75/116,990.25 = 116,990.25/x
  3. Step 3: Cross multiply
    53,913.75x = 116,990.25 × 116,990.25
  4. Step 4: Simplify right side
    53,913.75x = 13,686,718,595.06
  5. Step 5: Solve for x
    x = 13,686,718,595.06/53,913.75
  6. Step 6: Final answer
    x = 253,863.23

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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.