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Finding the Third Proportional to 9,131,896 and 19,019,402

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Solution

The third proportional to 9,131,896 and 19,019,402 is: 39,612,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,896 : 19,019,402 = 19,019,402 : x
  2. Step 2: Convert to fraction form
    9,131,896/19,019,402 = 19,019,402/x
  3. Step 3: Cross multiply
    9,131,896x = 19,019,402 × 19,019,402
  4. Step 4: Simplify right side
    9,131,896x = 361,737,652,437,604
  5. Step 5: Solve for x
    x = 361,737,652,437,604/9,131,896
  6. Step 6: Final answer
    x = 39,612,546.23

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.