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Finding the Third Proportional to 291,638.25 and 606,555

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Solution

The third proportional to 291,638.25 and 606,555 is: 1,261,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,638.25 : 606,555 = 606,555 : x
  2. Step 2: Convert to fraction form
    291,638.25/606,555 = 606,555/x
  3. Step 3: Cross multiply
    291,638.25x = 606,555 × 606,555
  4. Step 4: Simplify right side
    291,638.25x = 367,908,968,025
  5. Step 5: Solve for x
    x = 367,908,968,025/291,638.25
  6. Step 6: Final answer
    x = 1,261,525.08

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.