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Finding the Third Proportional to 616,621 and 1,345,001

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Solution

The third proportional to 616,621 and 1,345,001 is: 2,933,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,621 : 1,345,001 = 1,345,001 : x
  2. Step 2: Convert to fraction form
    616,621/1,345,001 = 1,345,001/x
  3. Step 3: Cross multiply
    616,621x = 1,345,001 × 1,345,001
  4. Step 4: Simplify right side
    616,621x = 1,809,027,690,001
  5. Step 5: Solve for x
    x = 1,809,027,690,001/616,621
  6. Step 6: Final answer
    x = 2,933,775.67

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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.