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Finding the Third Proportional to 553,274 and 879,951

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Solution

The third proportional to 553,274 and 879,951 is: 1,399,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,274 : 879,951 = 879,951 : x
  2. Step 2: Convert to fraction form
    553,274/879,951 = 879,951/x
  3. Step 3: Cross multiply
    553,274x = 879,951 × 879,951
  4. Step 4: Simplify right side
    553,274x = 774,313,762,401
  5. Step 5: Solve for x
    x = 774,313,762,401/553,274
  6. Step 6: Final answer
    x = 1,399,512.29

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.