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Finding the Third Proportional to 122,697 and 262,891

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Solution

The third proportional to 122,697 and 262,891 is: 563,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,697 : 262,891 = 262,891 : x
  2. Step 2: Convert to fraction form
    122,697/262,891 = 262,891/x
  3. Step 3: Cross multiply
    122,697x = 262,891 × 262,891
  4. Step 4: Simplify right side
    122,697x = 69,111,677,881
  5. Step 5: Solve for x
    x = 69,111,677,881/122,697
  6. Step 6: Final answer
    x = 563,271.13

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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.