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Finding the Third Proportional to 1,539.56 and 3,303.56

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Solution

The third proportional to 1,539.56 and 3,303.56 is: 7,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.56 : 3,303.56 = 3,303.56 : x
  2. Step 2: Convert to fraction form
    1,539.56/3,303.56 = 3,303.56/x
  3. Step 3: Cross multiply
    1,539.56x = 3,303.56 × 3,303.56
  4. Step 4: Simplify right side
    1,539.56x = 10,913,525.19
  5. Step 5: Solve for x
    x = 10,913,525.19/1,539.56
  6. Step 6: Final answer
    x = 7,088.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.