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Finding the Third Proportional to 432,277 and 931,136

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Solution

The third proportional to 432,277 and 931,136 is: 2,005,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,277 : 931,136 = 931,136 : x
  2. Step 2: Convert to fraction form
    432,277/931,136 = 931,136/x
  3. Step 3: Cross multiply
    432,277x = 931,136 × 931,136
  4. Step 4: Simplify right side
    432,277x = 867,014,250,496
  5. Step 5: Solve for x
    x = 867,014,250,496/432,277
  6. Step 6: Final answer
    x = 2,005,691.37

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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.