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Finding the Third Proportional to 8,686,404 and 18,527,013

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Solution

The third proportional to 8,686,404 and 18,527,013 is: 39,515,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,404 : 18,527,013 = 18,527,013 : x
  2. Step 2: Convert to fraction form
    8,686,404/18,527,013 = 18,527,013/x
  3. Step 3: Cross multiply
    8,686,404x = 18,527,013 × 18,527,013
  4. Step 4: Simplify right side
    8,686,404x = 343,250,210,702,169
  5. Step 5: Solve for x
    x = 343,250,210,702,169/8,686,404
  6. Step 6: Final answer
    x = 39,515,800.87

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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.