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Finding the Third Proportional to 625,311 and 1,347,075

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Solution

The third proportional to 625,311 and 1,347,075 is: 2,901,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,311 : 1,347,075 = 1,347,075 : x
  2. Step 2: Convert to fraction form
    625,311/1,347,075 = 1,347,075/x
  3. Step 3: Cross multiply
    625,311x = 1,347,075 × 1,347,075
  4. Step 4: Simplify right side
    625,311x = 1,814,611,055,625
  5. Step 5: Solve for x
    x = 1,814,611,055,625/625,311
  6. Step 6: Final answer
    x = 2,901,933.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.