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Finding the Third Proportional to 5,909,385 and 12,939,779

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Solution

The third proportional to 5,909,385 and 12,939,779 is: 28,334,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,385 : 12,939,779 = 12,939,779 : x
  2. Step 2: Convert to fraction form
    5,909,385/12,939,779 = 12,939,779/x
  3. Step 3: Cross multiply
    5,909,385x = 12,939,779 × 12,939,779
  4. Step 4: Simplify right side
    5,909,385x = 167,437,880,568,841
  5. Step 5: Solve for x
    x = 167,437,880,568,841/5,909,385
  6. Step 6: Final answer
    x = 28,334,231.15

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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.