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Finding the Third Proportional to 53,919.75 and 117,154.31

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Solution

The third proportional to 53,919.75 and 117,154.31 is: 254,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.75 : 117,154.31 = 117,154.31 : x
  2. Step 2: Convert to fraction form
    53,919.75/117,154.31 = 117,154.31/x
  3. Step 3: Cross multiply
    53,919.75x = 117,154.31 × 117,154.31
  4. Step 4: Simplify right side
    53,919.75x = 13,725,132,937.35
  5. Step 5: Solve for x
    x = 13,725,132,937.35/53,919.75
  6. Step 6: Final answer
    x = 254,547.41

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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.