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Finding the Third Proportional to 61,263 and 90,747

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Solution

The third proportional to 61,263 and 90,747 is: 134,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263 : 90,747 = 90,747 : x
  2. Step 2: Convert to fraction form
    61,263/90,747 = 90,747/x
  3. Step 3: Cross multiply
    61,263x = 90,747 × 90,747
  4. Step 4: Simplify right side
    61,263x = 8,235,018,009
  5. Step 5: Solve for x
    x = 8,235,018,009/61,263
  6. Step 6: Final answer
    x = 134,420.74

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.