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Finding the Third Proportional to 5,909,931 and 12,940,857

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Solution

The third proportional to 5,909,931 and 12,940,857 is: 28,336,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,931 : 12,940,857 = 12,940,857 : x
  2. Step 2: Convert to fraction form
    5,909,931/12,940,857 = 12,940,857/x
  3. Step 3: Cross multiply
    5,909,931x = 12,940,857 × 12,940,857
  4. Step 4: Simplify right side
    5,909,931x = 167,465,779,894,449
  5. Step 5: Solve for x
    x = 167,465,779,894,449/5,909,931
  6. Step 6: Final answer
    x = 28,336,334.20

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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.