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Finding the Third Proportional to 5,954,490 and 12,917,190

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Solution

The third proportional to 5,954,490 and 12,917,190 is: 28,021,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954,490 : 12,917,190 = 12,917,190 : x
  2. Step 2: Convert to fraction form
    5,954,490/12,917,190 = 12,917,190/x
  3. Step 3: Cross multiply
    5,954,490x = 12,917,190 × 12,917,190
  4. Step 4: Simplify right side
    5,954,490x = 166,853,797,496,100
  5. Step 5: Solve for x
    x = 166,853,797,496,100/5,954,490
  6. Step 6: Final answer
    x = 28,021,509.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.