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Finding the Third Proportional to 1,997,516.95 and 4,402,225.97

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Solution

The third proportional to 1,997,516.95 and 4,402,225.97 is: 9,701,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,516.95 : 4,402,225.97 = 4,402,225.97 : x
  2. Step 2: Convert to fraction form
    1,997,516.95/4,402,225.97 = 4,402,225.97/x
  3. Step 3: Cross multiply
    1,997,516.95x = 4,402,225.97 × 4,402,225.97
  4. Step 4: Simplify right side
    1,997,516.95x = 19,379,593,479,936.88
  5. Step 5: Solve for x
    x = 19,379,593,479,936.88/1,997,516.95
  6. Step 6: Final answer
    x = 9,701,841.80

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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.