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Finding the Third Proportional to 3,906,886.50 and 8,445,411

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Solution

The third proportional to 3,906,886.50 and 8,445,411 is: 18,256,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,886.50 : 8,445,411 = 8,445,411 : x
  2. Step 2: Convert to fraction form
    3,906,886.50/8,445,411 = 8,445,411/x
  3. Step 3: Cross multiply
    3,906,886.50x = 8,445,411 × 8,445,411
  4. Step 4: Simplify right side
    3,906,886.50x = 71,324,966,958,921
  5. Step 5: Solve for x
    x = 71,324,966,958,921/3,906,886.50
  6. Step 6: Final answer
    x = 18,256,216.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.