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Finding the Third Proportional to 187,531 and 410,666

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Solution

The third proportional to 187,531 and 410,666 is: 899,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,531 : 410,666 = 410,666 : x
  2. Step 2: Convert to fraction form
    187,531/410,666 = 410,666/x
  3. Step 3: Cross multiply
    187,531x = 410,666 × 410,666
  4. Step 4: Simplify right side
    187,531x = 168,646,563,556
  5. Step 5: Solve for x
    x = 168,646,563,556/187,531
  6. Step 6: Final answer
    x = 899,299.65

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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.