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Finding the Third Proportional to 621,010 and 961,863

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Solution

The third proportional to 621,010 and 961,863 is: 1,489,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,010 : 961,863 = 961,863 : x
  2. Step 2: Convert to fraction form
    621,010/961,863 = 961,863/x
  3. Step 3: Cross multiply
    621,010x = 961,863 × 961,863
  4. Step 4: Simplify right side
    621,010x = 925,180,430,769
  5. Step 5: Solve for x
    x = 925,180,430,769/621,010
  6. Step 6: Final answer
    x = 1,489,799.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.