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Finding the Third Proportional to 862,861 and 1,881,454

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Solution

The third proportional to 862,861 and 1,881,454 is: 4,102,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,861 : 1,881,454 = 1,881,454 : x
  2. Step 2: Convert to fraction form
    862,861/1,881,454 = 1,881,454/x
  3. Step 3: Cross multiply
    862,861x = 1,881,454 × 1,881,454
  4. Step 4: Simplify right side
    862,861x = 3,539,869,154,116
  5. Step 5: Solve for x
    x = 3,539,869,154,116/862,861
  6. Step 6: Final answer
    x = 4,102,479.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.