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Finding the Third Proportional to 453,622 and 976,578

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Solution

The third proportional to 453,622 and 976,578 is: 2,102,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,622 : 976,578 = 976,578 : x
  2. Step 2: Convert to fraction form
    453,622/976,578 = 976,578/x
  3. Step 3: Cross multiply
    453,622x = 976,578 × 976,578
  4. Step 4: Simplify right side
    453,622x = 953,704,590,084
  5. Step 5: Solve for x
    x = 953,704,590,084/453,622
  6. Step 6: Final answer
    x = 2,102,421.38

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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.