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Finding the Third Proportional to 12,400,857 and 26,931,163.50

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Solution

The third proportional to 12,400,857 and 26,931,163.50 is: 58,486,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,857 : 26,931,163.50 = 26,931,163.50 : x
  2. Step 2: Convert to fraction form
    12,400,857/26,931,163.50 = 26,931,163.50/x
  3. Step 3: Cross multiply
    12,400,857x = 26,931,163.50 × 26,931,163.50
  4. Step 4: Simplify right side
    12,400,857x = 725,287,567,463,732.25
  5. Step 5: Solve for x
    x = 725,287,567,463,732.25/12,400,857
  6. Step 6: Final answer
    x = 58,486,890.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.