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Finding the Third Proportional to 620,266 and 1,335,567

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Solution

The third proportional to 620,266 and 1,335,567 is: 2,875,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,266 : 1,335,567 = 1,335,567 : x
  2. Step 2: Convert to fraction form
    620,266/1,335,567 = 1,335,567/x
  3. Step 3: Cross multiply
    620,266x = 1,335,567 × 1,335,567
  4. Step 4: Simplify right side
    620,266x = 1,783,739,211,489
  5. Step 5: Solve for x
    x = 1,783,739,211,489/620,266
  6. Step 6: Final answer
    x = 2,875,764.93

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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.