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Finding the Third Proportional to 20,890,854.04 and 45,817,336.05

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Solution

The third proportional to 20,890,854.04 and 45,817,336.05 is: 100,485,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890,854.04 : 45,817,336.05 = 45,817,336.05 : x
  2. Step 2: Convert to fraction form
    20,890,854.04/45,817,336.05 = 45,817,336.05/x
  3. Step 3: Cross multiply
    20,890,854.04x = 45,817,336.05 × 45,817,336.05
  4. Step 4: Simplify right side
    20,890,854.04x = 2,099,228,282,342,561
  5. Step 5: Solve for x
    x = 2,099,228,282,342,561/20,890,854.04
  6. Step 6: Final answer
    x = 100,485,517.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.