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Finding the Third Proportional to 832,781.25 and 1,808,259.19

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Solution

The third proportional to 832,781.25 and 1,808,259.19 is: 3,926,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,781.25 : 1,808,259.19 = 1,808,259.19 : x
  2. Step 2: Convert to fraction form
    832,781.25/1,808,259.19 = 1,808,259.19/x
  3. Step 3: Cross multiply
    832,781.25x = 1,808,259.19 × 1,808,259.19
  4. Step 4: Simplify right side
    832,781.25x = 3,269,801,289,178.16
  5. Step 5: Solve for x
    x = 3,269,801,289,178.16/832,781.25
  6. Step 6: Final answer
    x = 3,926,362.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.