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Finding the Third Proportional to 5,487,531 and 11,817,894

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Solution

The third proportional to 5,487,531 and 11,817,894 is: 25,450,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,531 : 11,817,894 = 11,817,894 : x
  2. Step 2: Convert to fraction form
    5,487,531/11,817,894 = 11,817,894/x
  3. Step 3: Cross multiply
    5,487,531x = 11,817,894 × 11,817,894
  4. Step 4: Simplify right side
    5,487,531x = 139,662,618,595,236
  5. Step 5: Solve for x
    x = 139,662,618,595,236/5,487,531
  6. Step 6: Final answer
    x = 25,450,902.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.