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Finding the Third Proportional to 3,695,859,310 and 8,218,054,484

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Solution

The third proportional to 3,695,859,310 and 8,218,054,484 is: 18,273,536,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695,859,310 : 8,218,054,484 = 8,218,054,484 : x
  2. Step 2: Convert to fraction form
    3,695,859,310/8,218,054,484 = 8,218,054,484/x
  3. Step 3: Cross multiply
    3,695,859,310x = 8,218,054,484 × 8,218,054,484
  4. Step 4: Simplify right side
    3,695,859,310x = 67,536,419,501,992,509,440
  5. Step 5: Solve for x
    x = 67,536,419,501,992,509,440/3,695,859,310
  6. Step 6: Final answer
    x = 18,273,536,365.21

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.