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Finding the Third Proportional to 9,438,064 and 20,676,878

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Solution

The third proportional to 9,438,064 and 20,676,878 is: 45,298,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438,064 : 20,676,878 = 20,676,878 : x
  2. Step 2: Convert to fraction form
    9,438,064/20,676,878 = 20,676,878/x
  3. Step 3: Cross multiply
    9,438,064x = 20,676,878 × 20,676,878
  4. Step 4: Simplify right side
    9,438,064x = 427,533,283,826,884
  5. Step 5: Solve for x
    x = 427,533,283,826,884/9,438,064
  6. Step 6: Final answer
    x = 45,298,832.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.