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Finding the Third Proportional to 80,961,861.66 and 115,386,986.95

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Solution

The third proportional to 80,961,861.66 and 115,386,986.95 is: 164,449,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,961,861.66 : 115,386,986.95 = 115,386,986.95 : x
  2. Step 2: Convert to fraction form
    80,961,861.66/115,386,986.95 = 115,386,986.95/x
  3. Step 3: Cross multiply
    80,961,861.66x = 115,386,986.95 × 115,386,986.95
  4. Step 4: Simplify right side
    80,961,861.66x = 13,314,156,758,119,484
  5. Step 5: Solve for x
    x = 13,314,156,758,119,484/80,961,861.66
  6. Step 6: Final answer
    x = 164,449,735.79

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.