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Finding the Third Proportional to 8,725,768.50 and 18,746,889

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Solution

The third proportional to 8,725,768.50 and 18,746,889 is: 40,276,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725,768.50 : 18,746,889 = 18,746,889 : x
  2. Step 2: Convert to fraction form
    8,725,768.50/18,746,889 = 18,746,889/x
  3. Step 3: Cross multiply
    8,725,768.50x = 18,746,889 × 18,746,889
  4. Step 4: Simplify right side
    8,725,768.50x = 351,445,847,178,321
  5. Step 5: Solve for x
    x = 351,445,847,178,321/8,725,768.50
  6. Step 6: Final answer
    x = 40,276,778.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.