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Finding the Third Proportional to 3,971,778 and 8,573,232

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Solution

The third proportional to 3,971,778 and 8,573,232 is: 18,505,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,778 : 8,573,232 = 8,573,232 : x
  2. Step 2: Convert to fraction form
    3,971,778/8,573,232 = 8,573,232/x
  3. Step 3: Cross multiply
    3,971,778x = 8,573,232 × 8,573,232
  4. Step 4: Simplify right side
    3,971,778x = 73,500,306,925,824
  5. Step 5: Solve for x
    x = 73,500,306,925,824/3,971,778
  6. Step 6: Final answer
    x = 18,505,643.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.