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Finding the Third Proportional to 890,073 and 1,379,088

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Solution

The third proportional to 890,073 and 1,379,088 is: 2,136,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,073 : 1,379,088 = 1,379,088 : x
  2. Step 2: Convert to fraction form
    890,073/1,379,088 = 1,379,088/x
  3. Step 3: Cross multiply
    890,073x = 1,379,088 × 1,379,088
  4. Step 4: Simplify right side
    890,073x = 1,901,883,711,744
  5. Step 5: Solve for x
    x = 1,901,883,711,744/890,073
  6. Step 6: Final answer
    x = 2,136,772.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.