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Finding the Third Proportional to 254,858.63 and 404,888.63

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Solution

The third proportional to 254,858.63 and 404,888.63 is: 643,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,858.63 : 404,888.63 = 404,888.63 : x
  2. Step 2: Convert to fraction form
    254,858.63/404,888.63 = 404,888.63/x
  3. Step 3: Cross multiply
    254,858.63x = 404,888.63 × 404,888.63
  4. Step 4: Simplify right side
    254,858.63x = 163,934,798,654.39
  5. Step 5: Solve for x
    x = 163,934,798,654.39/254,858.63
  6. Step 6: Final answer
    x = 643,238.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.