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Finding the Third Proportional to 294,785 and 631,628

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Solution

The third proportional to 294,785 and 631,628 is: 1,353,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,785 : 631,628 = 631,628 : x
  2. Step 2: Convert to fraction form
    294,785/631,628 = 631,628/x
  3. Step 3: Cross multiply
    294,785x = 631,628 × 631,628
  4. Step 4: Simplify right side
    294,785x = 398,953,930,384
  5. Step 5: Solve for x
    x = 398,953,930,384/294,785
  6. Step 6: Final answer
    x = 1,353,372.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.