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Finding the Third Proportional to 425,673 and 637,336

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Solution

The third proportional to 425,673 and 637,336 is: 954,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,673 : 637,336 = 637,336 : x
  2. Step 2: Convert to fraction form
    425,673/637,336 = 637,336/x
  3. Step 3: Cross multiply
    425,673x = 637,336 × 637,336
  4. Step 4: Simplify right side
    425,673x = 406,197,176,896
  5. Step 5: Solve for x
    x = 406,197,176,896/425,673
  6. Step 6: Final answer
    x = 954,246.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.