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Finding the Third Proportional to 59,716 and 90,246

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Solution

The third proportional to 59,716 and 90,246 is: 136,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,716 : 90,246 = 90,246 : x
  2. Step 2: Convert to fraction form
    59,716/90,246 = 90,246/x
  3. Step 3: Cross multiply
    59,716x = 90,246 × 90,246
  4. Step 4: Simplify right side
    59,716x = 8,144,340,516
  5. Step 5: Solve for x
    x = 8,144,340,516/59,716
  6. Step 6: Final answer
    x = 136,384.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.