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Finding the Third Proportional to 3,218,458 and 6,904,206

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Solution

The third proportional to 3,218,458 and 6,904,206 is: 14,810,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,458 : 6,904,206 = 6,904,206 : x
  2. Step 2: Convert to fraction form
    3,218,458/6,904,206 = 6,904,206/x
  3. Step 3: Cross multiply
    3,218,458x = 6,904,206 × 6,904,206
  4. Step 4: Simplify right side
    3,218,458x = 47,668,060,490,436
  5. Step 5: Solve for x
    x = 47,668,060,490,436/3,218,458
  6. Step 6: Final answer
    x = 14,810,838.14

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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.