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Finding the Third Proportional to 608,622 and 890,397

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Solution

The third proportional to 608,622 and 890,397 is: 1,302,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,622 : 890,397 = 890,397 : x
  2. Step 2: Convert to fraction form
    608,622/890,397 = 890,397/x
  3. Step 3: Cross multiply
    608,622x = 890,397 × 890,397
  4. Step 4: Simplify right side
    608,622x = 792,806,817,609
  5. Step 5: Solve for x
    x = 792,806,817,609/608,622
  6. Step 6: Final answer
    x = 1,302,625.96

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.