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Finding the Third Proportional to 851,943 and 1,817,553

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Solution

The third proportional to 851,943 and 1,817,553 is: 3,877,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,943 : 1,817,553 = 1,817,553 : x
  2. Step 2: Convert to fraction form
    851,943/1,817,553 = 1,817,553/x
  3. Step 3: Cross multiply
    851,943x = 1,817,553 × 1,817,553
  4. Step 4: Simplify right side
    851,943x = 3,303,498,907,809
  5. Step 5: Solve for x
    x = 3,303,498,907,809/851,943
  6. Step 6: Final answer
    x = 3,877,605.55

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.