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Finding the Third Proportional to 996,276 and 1,397,988

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Solution

The third proportional to 996,276 and 1,397,988 is: 1,961,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,276 : 1,397,988 = 1,397,988 : x
  2. Step 2: Convert to fraction form
    996,276/1,397,988 = 1,397,988/x
  3. Step 3: Cross multiply
    996,276x = 1,397,988 × 1,397,988
  4. Step 4: Simplify right side
    996,276x = 1,954,370,448,144
  5. Step 5: Solve for x
    x = 1,954,370,448,144/996,276
  6. Step 6: Final answer
    x = 1,961,675.73

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.