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Finding the Third Proportional to 856,030 and 1,281,372

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Solution

The third proportional to 856,030 and 1,281,372 is: 1,918,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,030 : 1,281,372 = 1,281,372 : x
  2. Step 2: Convert to fraction form
    856,030/1,281,372 = 1,281,372/x
  3. Step 3: Cross multiply
    856,030x = 1,281,372 × 1,281,372
  4. Step 4: Simplify right side
    856,030x = 1,641,914,202,384
  5. Step 5: Solve for x
    x = 1,641,914,202,384/856,030
  6. Step 6: Final answer
    x = 1,918,056.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.