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Finding the Third Proportional to 56,816 and 88,930

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Solution

The third proportional to 56,816 and 88,930 is: 139,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816 : 88,930 = 88,930 : x
  2. Step 2: Convert to fraction form
    56,816/88,930 = 88,930/x
  3. Step 3: Cross multiply
    56,816x = 88,930 × 88,930
  4. Step 4: Simplify right side
    56,816x = 7,908,544,900
  5. Step 5: Solve for x
    x = 7,908,544,900/56,816
  6. Step 6: Final answer
    x = 139,195.74

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.