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Finding the Third Proportional to 9,459,918 and 20,751,136

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Solution

The third proportional to 9,459,918 and 20,751,136 is: 45,519,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459,918 : 20,751,136 = 20,751,136 : x
  2. Step 2: Convert to fraction form
    9,459,918/20,751,136 = 20,751,136/x
  3. Step 3: Cross multiply
    9,459,918x = 20,751,136 × 20,751,136
  4. Step 4: Simplify right side
    9,459,918x = 430,609,645,290,496
  5. Step 5: Solve for x
    x = 430,609,645,290,496/9,459,918
  6. Step 6: Final answer
    x = 45,519,384.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.