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Finding the Third Proportional to 854,685 and 1,823,778

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Solution

The third proportional to 854,685 and 1,823,778 is: 3,891,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,685 : 1,823,778 = 1,823,778 : x
  2. Step 2: Convert to fraction form
    854,685/1,823,778 = 1,823,778/x
  3. Step 3: Cross multiply
    854,685x = 1,823,778 × 1,823,778
  4. Step 4: Simplify right side
    854,685x = 3,326,166,193,284
  5. Step 5: Solve for x
    x = 3,326,166,193,284/854,685
  6. Step 6: Final answer
    x = 3,891,686.64

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.