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Finding the Third Proportional to 59,246 and 78,285

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Solution

The third proportional to 59,246 and 78,285 is: 103,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,246 : 78,285 = 78,285 : x
  2. Step 2: Convert to fraction form
    59,246/78,285 = 78,285/x
  3. Step 3: Cross multiply
    59,246x = 78,285 × 78,285
  4. Step 4: Simplify right side
    59,246x = 6,128,541,225
  5. Step 5: Solve for x
    x = 6,128,541,225/59,246
  6. Step 6: Final answer
    x = 103,442.28

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.