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Finding the Third Proportional to 432,605 and 931,765

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Solution

The third proportional to 432,605 and 931,765 is: 2,006,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,605 : 931,765 = 931,765 : x
  2. Step 2: Convert to fraction form
    432,605/931,765 = 931,765/x
  3. Step 3: Cross multiply
    432,605x = 931,765 × 931,765
  4. Step 4: Simplify right side
    432,605x = 868,186,015,225
  5. Step 5: Solve for x
    x = 868,186,015,225/432,605
  6. Step 6: Final answer
    x = 2,006,879.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.