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Finding the Third Proportional to 915,662 and 1,347,020

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Solution

The third proportional to 915,662 and 1,347,020 is: 1,981,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,662 : 1,347,020 = 1,347,020 : x
  2. Step 2: Convert to fraction form
    915,662/1,347,020 = 1,347,020/x
  3. Step 3: Cross multiply
    915,662x = 1,347,020 × 1,347,020
  4. Step 4: Simplify right side
    915,662x = 1,814,462,880,400
  5. Step 5: Solve for x
    x = 1,814,462,880,400/915,662
  6. Step 6: Final answer
    x = 1,981,585.87

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.