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Finding the Third Proportional to 720,667 and 1,530,228

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Solution

The third proportional to 720,667 and 1,530,228 is: 3,249,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,667 : 1,530,228 = 1,530,228 : x
  2. Step 2: Convert to fraction form
    720,667/1,530,228 = 1,530,228/x
  3. Step 3: Cross multiply
    720,667x = 1,530,228 × 1,530,228
  4. Step 4: Simplify right side
    720,667x = 2,341,597,731,984
  5. Step 5: Solve for x
    x = 2,341,597,731,984/720,667
  6. Step 6: Final answer
    x = 3,249,209.04

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.