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Finding the Third Proportional to 853,092 and 1,866,888

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Solution

The third proportional to 853,092 and 1,866,888 is: 4,085,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,092 : 1,866,888 = 1,866,888 : x
  2. Step 2: Convert to fraction form
    853,092/1,866,888 = 1,866,888/x
  3. Step 3: Cross multiply
    853,092x = 1,866,888 × 1,866,888
  4. Step 4: Simplify right side
    853,092x = 3,485,270,804,544
  5. Step 5: Solve for x
    x = 3,485,270,804,544/853,092
  6. Step 6: Final answer
    x = 4,085,457.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.