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Finding the Third Proportional to 18,203,294 and 39,108,010

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Solution

The third proportional to 18,203,294 and 39,108,010 is: 84,019,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,294 : 39,108,010 = 39,108,010 : x
  2. Step 2: Convert to fraction form
    18,203,294/39,108,010 = 39,108,010/x
  3. Step 3: Cross multiply
    18,203,294x = 39,108,010 × 39,108,010
  4. Step 4: Simplify right side
    18,203,294x = 1,529,436,446,160,100
  5. Step 5: Solve for x
    x = 1,529,436,446,160,100/18,203,294
  6. Step 6: Final answer
    x = 84,019,762.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.