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Finding the Third Proportional to 889,818 and 1,378,962

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Solution

The third proportional to 889,818 and 1,378,962 is: 2,136,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,818 : 1,378,962 = 1,378,962 : x
  2. Step 2: Convert to fraction form
    889,818/1,378,962 = 1,378,962/x
  3. Step 3: Cross multiply
    889,818x = 1,378,962 × 1,378,962
  4. Step 4: Simplify right side
    889,818x = 1,901,536,197,444
  5. Step 5: Solve for x
    x = 1,901,536,197,444/889,818
  6. Step 6: Final answer
    x = 2,136,994.53

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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.