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Finding the Third Proportional to 591,132 and 917,193

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Solution

The third proportional to 591,132 and 917,193 is: 1,423,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,132 : 917,193 = 917,193 : x
  2. Step 2: Convert to fraction form
    591,132/917,193 = 917,193/x
  3. Step 3: Cross multiply
    591,132x = 917,193 × 917,193
  4. Step 4: Simplify right side
    591,132x = 841,242,999,249
  5. Step 5: Solve for x
    x = 841,242,999,249/591,132
  6. Step 6: Final answer
    x = 1,423,105.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.