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Finding the Third Proportional to 1,666,866 and 2,489,319

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Solution

The third proportional to 1,666,866 and 2,489,319 is: 3,717,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,866 : 2,489,319 = 2,489,319 : x
  2. Step 2: Convert to fraction form
    1,666,866/2,489,319 = 2,489,319/x
  3. Step 3: Cross multiply
    1,666,866x = 2,489,319 × 2,489,319
  4. Step 4: Simplify right side
    1,666,866x = 6,196,709,083,761
  5. Step 5: Solve for x
    x = 6,196,709,083,761/1,666,866
  6. Step 6: Final answer
    x = 3,717,580.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.