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Finding the Third Proportional to 12,464,390 and 18,646,779

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Solution

The third proportional to 12,464,390 and 18,646,779 is: 27,895,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,390 : 18,646,779 = 18,646,779 : x
  2. Step 2: Convert to fraction form
    12,464,390/18,646,779 = 18,646,779/x
  3. Step 3: Cross multiply
    12,464,390x = 18,646,779 × 18,646,779
  4. Step 4: Simplify right side
    12,464,390x = 347,702,367,074,841
  5. Step 5: Solve for x
    x = 347,702,367,074,841/12,464,390
  6. Step 6: Final answer
    x = 27,895,658.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.