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Finding the Third Proportional to 631,100 and 1,376,248

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Solution

The third proportional to 631,100 and 1,376,248 is: 3,001,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,100 : 1,376,248 = 1,376,248 : x
  2. Step 2: Convert to fraction form
    631,100/1,376,248 = 1,376,248/x
  3. Step 3: Cross multiply
    631,100x = 1,376,248 × 1,376,248
  4. Step 4: Simplify right side
    631,100x = 1,894,058,557,504
  5. Step 5: Solve for x
    x = 1,894,058,557,504/631,100
  6. Step 6: Final answer
    x = 3,001,201.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.