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Finding the Third Proportional to 117,815.13 and 254,310.89

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Solution

The third proportional to 117,815.13 and 254,310.89 is: 548,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,815.13 : 254,310.89 = 254,310.89 : x
  2. Step 2: Convert to fraction form
    117,815.13/254,310.89 = 254,310.89/x
  3. Step 3: Cross multiply
    117,815.13x = 254,310.89 × 254,310.89
  4. Step 4: Simplify right side
    117,815.13x = 64,674,029,090.48
  5. Step 5: Solve for x
    x = 64,674,029,090.48/117,815.13
  6. Step 6: Final answer
    x = 548,945.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.