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Finding the Third Proportional to 2,156,072.55 and 4,749,630.54

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Solution

The third proportional to 2,156,072.55 and 4,749,630.54 is: 10,463,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,072.55 : 4,749,630.54 = 4,749,630.54 : x
  2. Step 2: Convert to fraction form
    2,156,072.55/4,749,630.54 = 4,749,630.54/x
  3. Step 3: Cross multiply
    2,156,072.55x = 4,749,630.54 × 4,749,630.54
  4. Step 4: Simplify right side
    2,156,072.55x = 22,558,990,257,594.19
  5. Step 5: Solve for x
    x = 22,558,990,257,594.19/2,156,072.55
  6. Step 6: Final answer
    x = 10,463,001.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.