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Finding the Third Proportional to 61,836 and 99,558

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Solution

The third proportional to 61,836 and 99,558 is: 160,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,836 : 99,558 = 99,558 : x
  2. Step 2: Convert to fraction form
    61,836/99,558 = 99,558/x
  3. Step 3: Cross multiply
    61,836x = 99,558 × 99,558
  4. Step 4: Simplify right side
    61,836x = 9,911,795,364
  5. Step 5: Solve for x
    x = 9,911,795,364/61,836
  6. Step 6: Final answer
    x = 160,291.66

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.