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Finding the Third Proportional to 11,970,391 and 18,573,108

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Solution

The third proportional to 11,970,391 and 18,573,108 is: 28,817,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,391 : 18,573,108 = 18,573,108 : x
  2. Step 2: Convert to fraction form
    11,970,391/18,573,108 = 18,573,108/x
  3. Step 3: Cross multiply
    11,970,391x = 18,573,108 × 18,573,108
  4. Step 4: Simplify right side
    11,970,391x = 344,960,340,779,664
  5. Step 5: Solve for x
    x = 344,960,340,779,664/11,970,391
  6. Step 6: Final answer
    x = 28,817,800.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.