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Finding the Third Proportional to 70,766.16 and 105,188.63

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Solution

The third proportional to 70,766.16 and 105,188.63 is: 156,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.16 : 105,188.63 = 105,188.63 : x
  2. Step 2: Convert to fraction form
    70,766.16/105,188.63 = 105,188.63/x
  3. Step 3: Cross multiply
    70,766.16x = 105,188.63 × 105,188.63
  4. Step 4: Simplify right side
    70,766.16x = 11,064,646,829.39
  5. Step 5: Solve for x
    x = 11,064,646,829.39/70,766.16
  6. Step 6: Final answer
    x = 156,355.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.