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Finding the Third Proportional to 551,666 and 843,537

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Solution

The third proportional to 551,666 and 843,537 is: 1,289,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,666 : 843,537 = 843,537 : x
  2. Step 2: Convert to fraction form
    551,666/843,537 = 843,537/x
  3. Step 3: Cross multiply
    551,666x = 843,537 × 843,537
  4. Step 4: Simplify right side
    551,666x = 711,554,670,369
  5. Step 5: Solve for x
    x = 711,554,670,369/551,666
  6. Step 6: Final answer
    x = 1,289,828.76

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.