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Finding the Third Proportional to 571,220 and 1,231,707

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Solution

The third proportional to 571,220 and 1,231,707 is: 2,655,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,220 : 1,231,707 = 1,231,707 : x
  2. Step 2: Convert to fraction form
    571,220/1,231,707 = 1,231,707/x
  3. Step 3: Cross multiply
    571,220x = 1,231,707 × 1,231,707
  4. Step 4: Simplify right side
    571,220x = 1,517,102,133,849
  5. Step 5: Solve for x
    x = 1,517,102,133,849/571,220
  6. Step 6: Final answer
    x = 2,655,898.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.