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Finding the Third Proportional to 413,809.50 and 632,742

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Solution

The third proportional to 413,809.50 and 632,742 is: 967,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,809.50 : 632,742 = 632,742 : x
  2. Step 2: Convert to fraction form
    413,809.50/632,742 = 632,742/x
  3. Step 3: Cross multiply
    413,809.50x = 632,742 × 632,742
  4. Step 4: Simplify right side
    413,809.50x = 400,362,438,564
  5. Step 5: Solve for x
    x = 400,362,438,564/413,809.50
  6. Step 6: Final answer
    x = 967,504.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.