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Finding the Third Proportional to 8,485,722 and 13,136,701.50

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Solution

The third proportional to 8,485,722 and 13,136,701.50 is: 20,336,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485,722 : 13,136,701.50 = 13,136,701.50 : x
  2. Step 2: Convert to fraction form
    8,485,722/13,136,701.50 = 13,136,701.50/x
  3. Step 3: Cross multiply
    8,485,722x = 13,136,701.50 × 13,136,701.50
  4. Step 4: Simplify right side
    8,485,722x = 172,572,926,300,102.25
  5. Step 5: Solve for x
    x = 172,572,926,300,102.25/8,485,722
  6. Step 6: Final answer
    x = 20,336,858.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.