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Finding the Third Proportional to 637,182 and 994,485

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Solution

The third proportional to 637,182 and 994,485 is: 1,552,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,182 : 994,485 = 994,485 : x
  2. Step 2: Convert to fraction form
    637,182/994,485 = 994,485/x
  3. Step 3: Cross multiply
    637,182x = 994,485 × 994,485
  4. Step 4: Simplify right side
    637,182x = 989,000,415,225
  5. Step 5: Solve for x
    x = 989,000,415,225/637,182
  6. Step 6: Final answer
    x = 1,552,147.45

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.