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Finding the Third Proportional to 307,490.63 and 675,518.63

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Solution

The third proportional to 307,490.63 and 675,518.63 is: 1,484,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,490.63 : 675,518.63 = 675,518.63 : x
  2. Step 2: Convert to fraction form
    307,490.63/675,518.63 = 675,518.63/x
  3. Step 3: Cross multiply
    307,490.63x = 675,518.63 × 675,518.63
  4. Step 4: Simplify right side
    307,490.63x = 456,325,412,721.89
  5. Step 5: Solve for x
    x = 456,325,412,721.89/307,490.63
  6. Step 6: Final answer
    x = 1,484,030.33

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