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Finding the Third Proportional to 413,770 and 632,679

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Solution

The third proportional to 413,770 and 632,679 is: 967,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,770 : 632,679 = 632,679 : x
  2. Step 2: Convert to fraction form
    413,770/632,679 = 632,679/x
  3. Step 3: Cross multiply
    413,770x = 632,679 × 632,679
  4. Step 4: Simplify right side
    413,770x = 400,282,717,041
  5. Step 5: Solve for x
    x = 400,282,717,041/413,770
  6. Step 6: Final answer
    x = 967,403.91

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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.