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Finding the Third Proportional to 191,636.25 and 403,133.25

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Solution

The third proportional to 191,636.25 and 403,133.25 is: 848,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,636.25 : 403,133.25 = 403,133.25 : x
  2. Step 2: Convert to fraction form
    191,636.25/403,133.25 = 403,133.25/x
  3. Step 3: Cross multiply
    191,636.25x = 403,133.25 × 403,133.25
  4. Step 4: Simplify right side
    191,636.25x = 162,516,417,255.56
  5. Step 5: Solve for x
    x = 162,516,417,255.56/191,636.25
  6. Step 6: Final answer
    x = 848,046.32

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.