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Finding the Third Proportional to 56,986 and 121,748

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Solution

The third proportional to 56,986 and 121,748 is: 260,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,986 : 121,748 = 121,748 : x
  2. Step 2: Convert to fraction form
    56,986/121,748 = 121,748/x
  3. Step 3: Cross multiply
    56,986x = 121,748 × 121,748
  4. Step 4: Simplify right side
    56,986x = 14,822,575,504
  5. Step 5: Solve for x
    x = 14,822,575,504/56,986
  6. Step 6: Final answer
    x = 260,109.07

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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.