Home / 8,681,331.94-18,515,638.13

Finding the Third Proportional to 8,681,331.94 and 18,515,638.13

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Solution

The third proportional to 8,681,331.94 and 18,515,638.13 is: 39,490,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,331.94 : 18,515,638.13 = 18,515,638.13 : x
  2. Step 2: Convert to fraction form
    8,681,331.94/18,515,638.13 = 18,515,638.13/x
  3. Step 3: Cross multiply
    8,681,331.94x = 18,515,638.13 × 18,515,638.13
  4. Step 4: Simplify right side
    8,681,331.94x = 342,828,855,175,953.50
  5. Step 5: Solve for x
    x = 342,828,855,175,953.50/8,681,331.94
  6. Step 6: Final answer
    x = 39,490,352.13

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.