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Finding the Third Proportional to 667,356 and 1,439,696

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Solution

The third proportional to 667,356 and 1,439,696 is: 3,105,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,356 : 1,439,696 = 1,439,696 : x
  2. Step 2: Convert to fraction form
    667,356/1,439,696 = 1,439,696/x
  3. Step 3: Cross multiply
    667,356x = 1,439,696 × 1,439,696
  4. Step 4: Simplify right side
    667,356x = 2,072,724,572,416
  5. Step 5: Solve for x
    x = 2,072,724,572,416/667,356
  6. Step 6: Final answer
    x = 3,105,875.38

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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.