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Finding the Third Proportional to 1,528,016.75 and 3,181,330.50

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Solution

The third proportional to 1,528,016.75 and 3,181,330.50 is: 6,623,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,016.75 : 3,181,330.50 = 3,181,330.50 : x
  2. Step 2: Convert to fraction form
    1,528,016.75/3,181,330.50 = 3,181,330.50/x
  3. Step 3: Cross multiply
    1,528,016.75x = 3,181,330.50 × 3,181,330.50
  4. Step 4: Simplify right side
    1,528,016.75x = 10,120,863,750,230.25
  5. Step 5: Solve for x
    x = 10,120,863,750,230.25/1,528,016.75
  6. Step 6: Final answer
    x = 6,623,529.32

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.