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Finding the Third Proportional to 433,130 and 666,600

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Solution

The third proportional to 433,130 and 666,600 is: 1,025,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,130 : 666,600 = 666,600 : x
  2. Step 2: Convert to fraction form
    433,130/666,600 = 666,600/x
  3. Step 3: Cross multiply
    433,130x = 666,600 × 666,600
  4. Step 4: Simplify right side
    433,130x = 444,355,560,000
  5. Step 5: Solve for x
    x = 444,355,560,000/433,130
  6. Step 6: Final answer
    x = 1,025,917.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.