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Finding the Third Proportional to 56,121 and 124,697

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Solution

The third proportional to 56,121 and 124,697 is: 277,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121 : 124,697 = 124,697 : x
  2. Step 2: Convert to fraction form
    56,121/124,697 = 124,697/x
  3. Step 3: Cross multiply
    56,121x = 124,697 × 124,697
  4. Step 4: Simplify right side
    56,121x = 15,549,341,809
  5. Step 5: Solve for x
    x = 15,549,341,809/56,121
  6. Step 6: Final answer
    x = 277,068.15

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.