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Finding the Third Proportional to 668,186 and 1,439,770

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Solution

The third proportional to 668,186 and 1,439,770 is: 3,102,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,186 : 1,439,770 = 1,439,770 : x
  2. Step 2: Convert to fraction form
    668,186/1,439,770 = 1,439,770/x
  3. Step 3: Cross multiply
    668,186x = 1,439,770 × 1,439,770
  4. Step 4: Simplify right side
    668,186x = 2,072,937,652,900
  5. Step 5: Solve for x
    x = 2,072,937,652,900/668,186
  6. Step 6: Final answer
    x = 3,102,336.26

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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.