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Finding the Third Proportional to 965,340 and 1,269,420

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Solution

The third proportional to 965,340 and 1,269,420 is: 1,669,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,340 : 1,269,420 = 1,269,420 : x
  2. Step 2: Convert to fraction form
    965,340/1,269,420 = 1,269,420/x
  3. Step 3: Cross multiply
    965,340x = 1,269,420 × 1,269,420
  4. Step 4: Simplify right side
    965,340x = 1,611,427,136,400
  5. Step 5: Solve for x
    x = 1,611,427,136,400/965,340
  6. Step 6: Final answer
    x = 1,669,284.54

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.