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Finding the Third Proportional to 18,709,276 and 27,987,625

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Solution

The third proportional to 18,709,276 and 27,987,625 is: 41,867,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,276 : 27,987,625 = 27,987,625 : x
  2. Step 2: Convert to fraction form
    18,709,276/27,987,625 = 27,987,625/x
  3. Step 3: Cross multiply
    18,709,276x = 27,987,625 × 27,987,625
  4. Step 4: Simplify right side
    18,709,276x = 783,307,153,140,625
  5. Step 5: Solve for x
    x = 783,307,153,140,625/18,709,276
  6. Step 6: Final answer
    x = 41,867,315.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.