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Finding the Third Proportional to 11,863,411 and 18,488,710

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Solution

The third proportional to 11,863,411 and 18,488,710 is: 28,814,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863,411 : 18,488,710 = 18,488,710 : x
  2. Step 2: Convert to fraction form
    11,863,411/18,488,710 = 18,488,710/x
  3. Step 3: Cross multiply
    11,863,411x = 18,488,710 × 18,488,710
  4. Step 4: Simplify right side
    11,863,411x = 341,832,397,464,100
  5. Step 5: Solve for x
    x = 341,832,397,464,100/11,863,411
  6. Step 6: Final answer
    x = 28,814,006.15

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.