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Finding the Third Proportional to 855,756 and 1,330,962

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Solution

The third proportional to 855,756 and 1,330,962 is: 2,070,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,756 : 1,330,962 = 1,330,962 : x
  2. Step 2: Convert to fraction form
    855,756/1,330,962 = 1,330,962/x
  3. Step 3: Cross multiply
    855,756x = 1,330,962 × 1,330,962
  4. Step 4: Simplify right side
    855,756x = 1,771,459,845,444
  5. Step 5: Solve for x
    x = 1,771,459,845,444/855,756
  6. Step 6: Final answer
    x = 2,070,052.50

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.