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Finding the Third Proportional to 621,675 and 1,331,559

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Solution

The third proportional to 621,675 and 1,331,559 is: 2,852,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,675 : 1,331,559 = 1,331,559 : x
  2. Step 2: Convert to fraction form
    621,675/1,331,559 = 1,331,559/x
  3. Step 3: Cross multiply
    621,675x = 1,331,559 × 1,331,559
  4. Step 4: Simplify right side
    621,675x = 1,773,049,370,481
  5. Step 5: Solve for x
    x = 1,773,049,370,481/621,675
  6. Step 6: Final answer
    x = 2,852,051.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.