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Finding the Third Proportional to 8,687,884.50 and 13,143,924

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Solution

The third proportional to 8,687,884.50 and 13,143,924 is: 19,885,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,884.50 : 13,143,924 = 13,143,924 : x
  2. Step 2: Convert to fraction form
    8,687,884.50/13,143,924 = 13,143,924/x
  3. Step 3: Cross multiply
    8,687,884.50x = 13,143,924 × 13,143,924
  4. Step 4: Simplify right side
    8,687,884.50x = 172,762,738,117,776
  5. Step 5: Solve for x
    x = 172,762,738,117,776/8,687,884.50
  6. Step 6: Final answer
    x = 19,885,478.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.