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Finding the Third Proportional to 555,139.50 and 1,210,675

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Solution

The third proportional to 555,139.50 and 1,210,675 is: 2,640,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,139.50 : 1,210,675 = 1,210,675 : x
  2. Step 2: Convert to fraction form
    555,139.50/1,210,675 = 1,210,675/x
  3. Step 3: Cross multiply
    555,139.50x = 1,210,675 × 1,210,675
  4. Step 4: Simplify right side
    555,139.50x = 1,465,733,955,625
  5. Step 5: Solve for x
    x = 1,465,733,955,625/555,139.50
  6. Step 6: Final answer
    x = 2,640,298.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.