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Finding the Third Proportional to 59,814 and 91,815.75

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Solution

The third proportional to 59,814 and 91,815.75 is: 140,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,814 : 91,815.75 = 91,815.75 : x
  2. Step 2: Convert to fraction form
    59,814/91,815.75 = 91,815.75/x
  3. Step 3: Cross multiply
    59,814x = 91,815.75 × 91,815.75
  4. Step 4: Simplify right side
    59,814x = 8,430,131,948.06
  5. Step 5: Solve for x
    x = 8,430,131,948.06/59,814
  6. Step 6: Final answer
    x = 140,939.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.