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Finding the Third Proportional to 821,049.75 and 1,307,462.06

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Solution

The third proportional to 821,049.75 and 1,307,462.06 is: 2,082,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,049.75 : 1,307,462.06 = 1,307,462.06 : x
  2. Step 2: Convert to fraction form
    821,049.75/1,307,462.06 = 1,307,462.06/x
  3. Step 3: Cross multiply
    821,049.75x = 1,307,462.06 × 1,307,462.06
  4. Step 4: Simplify right side
    821,049.75x = 1,709,457,044,876.75
  5. Step 5: Solve for x
    x = 1,709,457,044,876.75/821,049.75
  6. Step 6: Final answer
    x = 2,082,038.32

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.