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Finding the Third Proportional to 1,306,960.31 and 2,820,409.88

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Solution

The third proportional to 1,306,960.31 and 2,820,409.88 is: 6,086,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,960.31 : 2,820,409.88 = 2,820,409.88 : x
  2. Step 2: Convert to fraction form
    1,306,960.31/2,820,409.88 = 2,820,409.88/x
  3. Step 3: Cross multiply
    1,306,960.31x = 2,820,409.88 × 2,820,409.88
  4. Step 4: Simplify right side
    1,306,960.31x = 7,954,711,862,997.52
  5. Step 5: Solve for x
    x = 7,954,711,862,997.52/1,306,960.31
  6. Step 6: Final answer
    x = 6,086,421.90

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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.