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Finding the Third Proportional to 453,903.75 and 636,135.19

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Solution

The third proportional to 453,903.75 and 636,135.19 is: 891,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,903.75 : 636,135.19 = 636,135.19 : x
  2. Step 2: Convert to fraction form
    453,903.75/636,135.19 = 636,135.19/x
  3. Step 3: Cross multiply
    453,903.75x = 636,135.19 × 636,135.19
  4. Step 4: Simplify right side
    453,903.75x = 404,667,976,775.66
  5. Step 5: Solve for x
    x = 404,667,976,775.66/453,903.75
  6. Step 6: Final answer
    x = 891,528.16

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.