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Finding the Third Proportional to 7,489,709 and 16,136,411

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Solution

The third proportional to 7,489,709 and 16,136,411 is: 34,765,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489,709 : 16,136,411 = 16,136,411 : x
  2. Step 2: Convert to fraction form
    7,489,709/16,136,411 = 16,136,411/x
  3. Step 3: Cross multiply
    7,489,709x = 16,136,411 × 16,136,411
  4. Step 4: Simplify right side
    7,489,709x = 260,383,759,960,921
  5. Step 5: Solve for x
    x = 260,383,759,960,921/7,489,709
  6. Step 6: Final answer
    x = 34,765,537.61

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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.