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Finding the Third Proportional to 3,156,399 and 6,817,254

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Solution

The third proportional to 3,156,399 and 6,817,254 is: 14,724,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,399 : 6,817,254 = 6,817,254 : x
  2. Step 2: Convert to fraction form
    3,156,399/6,817,254 = 6,817,254/x
  3. Step 3: Cross multiply
    3,156,399x = 6,817,254 × 6,817,254
  4. Step 4: Simplify right side
    3,156,399x = 46,474,952,100,516
  5. Step 5: Solve for x
    x = 46,474,952,100,516/3,156,399
  6. Step 6: Final answer
    x = 14,724,042.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.