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Finding the Third Proportional to 637,360 and 1,399,136

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Solution

The third proportional to 637,360 and 1,399,136 is: 3,071,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,360 : 1,399,136 = 1,399,136 : x
  2. Step 2: Convert to fraction form
    637,360/1,399,136 = 1,399,136/x
  3. Step 3: Cross multiply
    637,360x = 1,399,136 × 1,399,136
  4. Step 4: Simplify right side
    637,360x = 1,957,581,546,496
  5. Step 5: Solve for x
    x = 1,957,581,546,496/637,360
  6. Step 6: Final answer
    x = 3,071,390.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.