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Finding the Third Proportional to 294,760 and 631,580

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Solution

The third proportional to 294,760 and 631,580 is: 1,353,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,760 : 631,580 = 631,580 : x
  2. Step 2: Convert to fraction form
    294,760/631,580 = 631,580/x
  3. Step 3: Cross multiply
    294,760x = 631,580 × 631,580
  4. Step 4: Simplify right side
    294,760x = 398,893,296,400
  5. Step 5: Solve for x
    x = 398,893,296,400/294,760
  6. Step 6: Final answer
    x = 1,353,281.64

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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.