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Finding the Third Proportional to 663,261.75 and 1,421,151.75

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Solution

The third proportional to 663,261.75 and 1,421,151.75 is: 3,045,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,261.75 : 1,421,151.75 = 1,421,151.75 : x
  2. Step 2: Convert to fraction form
    663,261.75/1,421,151.75 = 1,421,151.75/x
  3. Step 3: Cross multiply
    663,261.75x = 1,421,151.75 × 1,421,151.75
  4. Step 4: Simplify right side
    663,261.75x = 2,019,672,296,528.06
  5. Step 5: Solve for x
    x = 2,019,672,296,528.06/663,261.75
  6. Step 6: Final answer
    x = 3,045,060.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.