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Finding the Third Proportional to 535,916 and 853,074

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Solution

The third proportional to 535,916 and 853,074 is: 1,357,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,916 : 853,074 = 853,074 : x
  2. Step 2: Convert to fraction form
    535,916/853,074 = 853,074/x
  3. Step 3: Cross multiply
    535,916x = 853,074 × 853,074
  4. Step 4: Simplify right side
    535,916x = 727,735,249,476
  5. Step 5: Solve for x
    x = 727,735,249,476/535,916
  6. Step 6: Final answer
    x = 1,357,927.83

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.