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Finding the Third Proportional to 9,936,394 and 20,238,196

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Solution

The third proportional to 9,936,394 and 20,238,196 is: 41,220,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936,394 : 20,238,196 = 20,238,196 : x
  2. Step 2: Convert to fraction form
    9,936,394/20,238,196 = 20,238,196/x
  3. Step 3: Cross multiply
    9,936,394x = 20,238,196 × 20,238,196
  4. Step 4: Simplify right side
    9,936,394x = 409,584,577,334,416
  5. Step 5: Solve for x
    x = 409,584,577,334,416/9,936,394
  6. Step 6: Final answer
    x = 41,220,645.77

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.