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Finding the Third Proportional to 718,613 and 1,197,615

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Solution

The third proportional to 718,613 and 1,197,615 is: 1,995,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,613 : 1,197,615 = 1,197,615 : x
  2. Step 2: Convert to fraction form
    718,613/1,197,615 = 1,197,615/x
  3. Step 3: Cross multiply
    718,613x = 1,197,615 × 1,197,615
  4. Step 4: Simplify right side
    718,613x = 1,434,281,688,225
  5. Step 5: Solve for x
    x = 1,434,281,688,225/718,613
  6. Step 6: Final answer
    x = 1,995,902.79

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.