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Finding the Third Proportional to 21,416,885 and 32,172,803

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Solution

The third proportional to 21,416,885 and 32,172,803 is: 48,330,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416,885 : 32,172,803 = 32,172,803 : x
  2. Step 2: Convert to fraction form
    21,416,885/32,172,803 = 32,172,803/x
  3. Step 3: Cross multiply
    21,416,885x = 32,172,803 × 32,172,803
  4. Step 4: Simplify right side
    21,416,885x = 1,035,089,252,876,809
  5. Step 5: Solve for x
    x = 1,035,089,252,876,809/21,416,885
  6. Step 6: Final answer
    x = 48,330,522.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.