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Finding the Third Proportional to 260,705.25 and 403,462.13

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Solution

The third proportional to 260,705.25 and 403,462.13 is: 624,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,705.25 : 403,462.13 = 403,462.13 : x
  2. Step 2: Convert to fraction form
    260,705.25/403,462.13 = 403,462.13/x
  3. Step 3: Cross multiply
    260,705.25x = 403,462.13 × 403,462.13
  4. Step 4: Simplify right side
    260,705.25x = 162,781,686,309.52
  5. Step 5: Solve for x
    x = 162,781,686,309.52/260,705.25
  6. Step 6: Final answer
    x = 624,389.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.