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Finding the Third Proportional to 18,462,836.25 and 40,176,688.50

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Solution

The third proportional to 18,462,836.25 and 40,176,688.50 is: 87,427,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,836.25 : 40,176,688.50 = 40,176,688.50 : x
  2. Step 2: Convert to fraction form
    18,462,836.25/40,176,688.50 = 40,176,688.50/x
  3. Step 3: Cross multiply
    18,462,836.25x = 40,176,688.50 × 40,176,688.50
  4. Step 4: Simplify right side
    18,462,836.25x = 1,614,166,298,826,032.25
  5. Step 5: Solve for x
    x = 1,614,166,298,826,032.25/18,462,836.25
  6. Step 6: Final answer
    x = 87,427,861.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.