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Finding the Third Proportional to 718,660 and 1,197,670

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Solution

The third proportional to 718,660 and 1,197,670 is: 1,995,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,660 : 1,197,670 = 1,197,670 : x
  2. Step 2: Convert to fraction form
    718,660/1,197,670 = 1,197,670/x
  3. Step 3: Cross multiply
    718,660x = 1,197,670 × 1,197,670
  4. Step 4: Simplify right side
    718,660x = 1,434,413,428,900
  5. Step 5: Solve for x
    x = 1,434,413,428,900/718,660
  6. Step 6: Final answer
    x = 1,995,955.57

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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.