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Finding the Third Proportional to 67,905 and 99,808.88

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Solution

The third proportional to 67,905 and 99,808.88 is: 146,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,905 : 99,808.88 = 99,808.88 : x
  2. Step 2: Convert to fraction form
    67,905/99,808.88 = 99,808.88/x
  3. Step 3: Cross multiply
    67,905x = 99,808.88 × 99,808.88
  4. Step 4: Simplify right side
    67,905x = 9,961,811,528.77
  5. Step 5: Solve for x
    x = 9,961,811,528.77/67,905
  6. Step 6: Final answer
    x = 146,702.18

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.