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Finding the Third Proportional to 1,159,140 and 2,489,675

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Solution

The third proportional to 1,159,140 and 2,489,675 is: 5,347,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,140 : 2,489,675 = 2,489,675 : x
  2. Step 2: Convert to fraction form
    1,159,140/2,489,675 = 2,489,675/x
  3. Step 3: Cross multiply
    1,159,140x = 2,489,675 × 2,489,675
  4. Step 4: Simplify right side
    1,159,140x = 6,198,481,605,625
  5. Step 5: Solve for x
    x = 6,198,481,605,625/1,159,140
  6. Step 6: Final answer
    x = 5,347,483.14

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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.