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Finding the Third Proportional to 908,709 and 1,425,615

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Solution

The third proportional to 908,709 and 1,425,615 is: 2,236,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,709 : 1,425,615 = 1,425,615 : x
  2. Step 2: Convert to fraction form
    908,709/1,425,615 = 1,425,615/x
  3. Step 3: Cross multiply
    908,709x = 1,425,615 × 1,425,615
  4. Step 4: Simplify right side
    908,709x = 2,032,378,128,225
  5. Step 5: Solve for x
    x = 2,032,378,128,225/908,709
  6. Step 6: Final answer
    x = 2,236,555.52

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.