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Finding the Third Proportional to 262,181.25 and 455,145.75

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Solution

The third proportional to 262,181.25 and 455,145.75 is: 790,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,181.25 : 455,145.75 = 455,145.75 : x
  2. Step 2: Convert to fraction form
    262,181.25/455,145.75 = 455,145.75/x
  3. Step 3: Cross multiply
    262,181.25x = 455,145.75 × 455,145.75
  4. Step 4: Simplify right side
    262,181.25x = 207,157,653,743.06
  5. Step 5: Solve for x
    x = 207,157,653,743.06/262,181.25
  6. Step 6: Final answer
    x = 790,131.46

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.