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Finding the Third Proportional to 66,246 and 99,117

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Solution

The third proportional to 66,246 and 99,117 is: 148,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,246 : 99,117 = 99,117 : x
  2. Step 2: Convert to fraction form
    66,246/99,117 = 99,117/x
  3. Step 3: Cross multiply
    66,246x = 99,117 × 99,117
  4. Step 4: Simplify right side
    66,246x = 9,824,179,689
  5. Step 5: Solve for x
    x = 9,824,179,689/66,246
  6. Step 6: Final answer
    x = 148,298.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.