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Finding the Third Proportional to 10,987,651.50 and 16,163,883.75

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Solution

The third proportional to 10,987,651.50 and 16,163,883.75 is: 23,778,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,651.50 : 16,163,883.75 = 16,163,883.75 : x
  2. Step 2: Convert to fraction form
    10,987,651.50/16,163,883.75 = 16,163,883.75/x
  3. Step 3: Cross multiply
    10,987,651.50x = 16,163,883.75 × 16,163,883.75
  4. Step 4: Simplify right side
    10,987,651.50x = 261,271,137,883,514.06
  5. Step 5: Solve for x
    x = 261,271,137,883,514.06/10,987,651.50
  6. Step 6: Final answer
    x = 23,778,615.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.