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Finding the Third Proportional to 581,756 and 853,476

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Solution

The third proportional to 581,756 and 853,476 is: 1,252,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,756 : 853,476 = 853,476 : x
  2. Step 2: Convert to fraction form
    581,756/853,476 = 853,476/x
  3. Step 3: Cross multiply
    581,756x = 853,476 × 853,476
  4. Step 4: Simplify right side
    581,756x = 728,421,282,576
  5. Step 5: Solve for x
    x = 728,421,282,576/581,756
  6. Step 6: Final answer
    x = 1,252,107.90

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.