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Finding the Third Proportional to 1,776,456.38 and 3,907,125.38

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Solution

The third proportional to 1,776,456.38 and 3,907,125.38 is: 8,593,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,456.38 : 3,907,125.38 = 3,907,125.38 : x
  2. Step 2: Convert to fraction form
    1,776,456.38/3,907,125.38 = 3,907,125.38/x
  3. Step 3: Cross multiply
    1,776,456.38x = 3,907,125.38 × 3,907,125.38
  4. Step 4: Simplify right side
    1,776,456.38x = 15,265,628,695,968.89
  5. Step 5: Solve for x
    x = 15,265,628,695,968.89/1,776,456.38
  6. Step 6: Final answer
    x = 8,593,303.45

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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.