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Finding the Third Proportional to 726,116.50 and 1,578,170

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Solution

The third proportional to 726,116.50 and 1,578,170 is: 3,430,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,116.50 : 1,578,170 = 1,578,170 : x
  2. Step 2: Convert to fraction form
    726,116.50/1,578,170 = 1,578,170/x
  3. Step 3: Cross multiply
    726,116.50x = 1,578,170 × 1,578,170
  4. Step 4: Simplify right side
    726,116.50x = 2,490,620,548,900
  5. Step 5: Solve for x
    x = 2,490,620,548,900/726,116.50
  6. Step 6: Final answer
    x = 3,430,056.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.