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Finding the Third Proportional to 626,298 and 1,396,028

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Solution

The third proportional to 626,298 and 1,396,028 is: 3,111,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,298 : 1,396,028 = 1,396,028 : x
  2. Step 2: Convert to fraction form
    626,298/1,396,028 = 1,396,028/x
  3. Step 3: Cross multiply
    626,298x = 1,396,028 × 1,396,028
  4. Step 4: Simplify right side
    626,298x = 1,948,894,176,784
  5. Step 5: Solve for x
    x = 1,948,894,176,784/626,298
  6. Step 6: Final answer
    x = 3,111,768.16

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.