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Finding the Third Proportional to 1,331,519 and 2,912,140

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Solution

The third proportional to 1,331,519 and 2,912,140 is: 6,369,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,519 : 2,912,140 = 2,912,140 : x
  2. Step 2: Convert to fraction form
    1,331,519/2,912,140 = 2,912,140/x
  3. Step 3: Cross multiply
    1,331,519x = 2,912,140 × 2,912,140
  4. Step 4: Simplify right side
    1,331,519x = 8,480,559,379,600
  5. Step 5: Solve for x
    x = 8,480,559,379,600/1,331,519
  6. Step 6: Final answer
    x = 6,369,086.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.