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Finding the Third Proportional to 815,753 and 1,762,726

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Solution

The third proportional to 815,753 and 1,762,726 is: 3,808,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,753 : 1,762,726 = 1,762,726 : x
  2. Step 2: Convert to fraction form
    815,753/1,762,726 = 1,762,726/x
  3. Step 3: Cross multiply
    815,753x = 1,762,726 × 1,762,726
  4. Step 4: Simplify right side
    815,753x = 3,107,202,951,076
  5. Step 5: Solve for x
    x = 3,107,202,951,076/815,753
  6. Step 6: Final answer
    x = 3,808,999.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.