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Finding the Third Proportional to 5,316,790 and 11,662,839

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Solution

The third proportional to 5,316,790 and 11,662,839 is: 25,583,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316,790 : 11,662,839 = 11,662,839 : x
  2. Step 2: Convert to fraction form
    5,316,790/11,662,839 = 11,662,839/x
  3. Step 3: Cross multiply
    5,316,790x = 11,662,839 × 11,662,839
  4. Step 4: Simplify right side
    5,316,790x = 136,021,813,539,921
  5. Step 5: Solve for x
    x = 136,021,813,539,921/5,316,790
  6. Step 6: Final answer
    x = 25,583,446.69

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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.