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Finding the Third Proportional to 669,603 and 1,445,057

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Solution

The third proportional to 669,603 and 1,445,057 is: 3,118,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,603 : 1,445,057 = 1,445,057 : x
  2. Step 2: Convert to fraction form
    669,603/1,445,057 = 1,445,057/x
  3. Step 3: Cross multiply
    669,603x = 1,445,057 × 1,445,057
  4. Step 4: Simplify right side
    669,603x = 2,088,189,733,249
  5. Step 5: Solve for x
    x = 2,088,189,733,249/669,603
  6. Step 6: Final answer
    x = 3,118,548.95

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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.