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Finding the Third Proportional to 8,971,802 and 19,457,980

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Solution

The third proportional to 8,971,802 and 19,457,980 is: 42,200,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,802 : 19,457,980 = 19,457,980 : x
  2. Step 2: Convert to fraction form
    8,971,802/19,457,980 = 19,457,980/x
  3. Step 3: Cross multiply
    8,971,802x = 19,457,980 × 19,457,980
  4. Step 4: Simplify right side
    8,971,802x = 378,612,985,680,400
  5. Step 5: Solve for x
    x = 378,612,985,680,400/8,971,802
  6. Step 6: Final answer
    x = 42,200,327.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.