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Finding the Third Proportional to 294,765 and 631,554

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Solution

The third proportional to 294,765 and 631,554 is: 1,353,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,765 : 631,554 = 631,554 : x
  2. Step 2: Convert to fraction form
    294,765/631,554 = 631,554/x
  3. Step 3: Cross multiply
    294,765x = 631,554 × 631,554
  4. Step 4: Simplify right side
    294,765x = 398,860,454,916
  5. Step 5: Solve for x
    x = 398,860,454,916/294,765
  6. Step 6: Final answer
    x = 1,353,147.27

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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.