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Finding the Third Proportional to 696,031 and 1,519,898

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Solution

The third proportional to 696,031 and 1,519,898 is: 3,318,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,031 : 1,519,898 = 1,519,898 : x
  2. Step 2: Convert to fraction form
    696,031/1,519,898 = 1,519,898/x
  3. Step 3: Cross multiply
    696,031x = 1,519,898 × 1,519,898
  4. Step 4: Simplify right side
    696,031x = 2,310,089,930,404
  5. Step 5: Solve for x
    x = 2,310,089,930,404/696,031
  6. Step 6: Final answer
    x = 3,318,946.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.