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Finding the Third Proportional to 775,160 and 1,644,136

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Solution

The third proportional to 775,160 and 1,644,136 is: 3,487,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,160 : 1,644,136 = 1,644,136 : x
  2. Step 2: Convert to fraction form
    775,160/1,644,136 = 1,644,136/x
  3. Step 3: Cross multiply
    775,160x = 1,644,136 × 1,644,136
  4. Step 4: Simplify right side
    775,160x = 2,703,183,186,496
  5. Step 5: Solve for x
    x = 2,703,183,186,496/775,160
  6. Step 6: Final answer
    x = 3,487,258.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.