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Finding the Third Proportional to 1,255,872 and 2,645,148

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Solution

The third proportional to 1,255,872 and 2,645,148 is: 5,571,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,872 : 2,645,148 = 2,645,148 : x
  2. Step 2: Convert to fraction form
    1,255,872/2,645,148 = 2,645,148/x
  3. Step 3: Cross multiply
    1,255,872x = 2,645,148 × 2,645,148
  4. Step 4: Simplify right side
    1,255,872x = 6,996,807,941,904
  5. Step 5: Solve for x
    x = 6,996,807,941,904/1,255,872
  6. Step 6: Final answer
    x = 5,571,274.73

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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.