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Finding the Third Proportional to 720,076 and 1,555,676

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Solution

The third proportional to 720,076 and 1,555,676 is: 3,360,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,076 : 1,555,676 = 1,555,676 : x
  2. Step 2: Convert to fraction form
    720,076/1,555,676 = 1,555,676/x
  3. Step 3: Cross multiply
    720,076x = 1,555,676 × 1,555,676
  4. Step 4: Simplify right side
    720,076x = 2,420,127,816,976
  5. Step 5: Solve for x
    x = 2,420,127,816,976/720,076
  6. Step 6: Final answer
    x = 3,360,933.87

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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.