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Finding the Third Proportional to 1,872,174 and 4,042,668

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Solution

The third proportional to 1,872,174 and 4,042,668 is: 8,729,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,174 : 4,042,668 = 4,042,668 : x
  2. Step 2: Convert to fraction form
    1,872,174/4,042,668 = 4,042,668/x
  3. Step 3: Cross multiply
    1,872,174x = 4,042,668 × 4,042,668
  4. Step 4: Simplify right side
    1,872,174x = 16,343,164,558,224
  5. Step 5: Solve for x
    x = 16,343,164,558,224/1,872,174
  6. Step 6: Final answer
    x = 8,729,511.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.