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Finding the Third Proportional to 56,560 and 121,862

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Solution

The third proportional to 56,560 and 121,862 is: 262,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,560 : 121,862 = 121,862 : x
  2. Step 2: Convert to fraction form
    56,560/121,862 = 121,862/x
  3. Step 3: Cross multiply
    56,560x = 121,862 × 121,862
  4. Step 4: Simplify right side
    56,560x = 14,850,347,044
  5. Step 5: Solve for x
    x = 14,850,347,044/56,560
  6. Step 6: Final answer
    x = 262,559.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.