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Finding the Third Proportional to 1,976,907 and 4,316,309.25

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Solution

The third proportional to 1,976,907 and 4,316,309.25 is: 9,424,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,907 : 4,316,309.25 = 4,316,309.25 : x
  2. Step 2: Convert to fraction form
    1,976,907/4,316,309.25 = 4,316,309.25/x
  3. Step 3: Cross multiply
    1,976,907x = 4,316,309.25 × 4,316,309.25
  4. Step 4: Simplify right side
    1,976,907x = 18,630,525,541,635.56
  5. Step 5: Solve for x
    x = 18,630,525,541,635.56/1,976,907
  6. Step 6: Final answer
    x = 9,424,077.89

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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.