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Finding the Third Proportional to 786,403.50 and 1,684,857

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Solution

The third proportional to 786,403.50 and 1,684,857 is: 3,609,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,403.50 : 1,684,857 = 1,684,857 : x
  2. Step 2: Convert to fraction form
    786,403.50/1,684,857 = 1,684,857/x
  3. Step 3: Cross multiply
    786,403.50x = 1,684,857 × 1,684,857
  4. Step 4: Simplify right side
    786,403.50x = 2,838,743,110,449
  5. Step 5: Solve for x
    x = 2,838,743,110,449/786,403.50
  6. Step 6: Final answer
    x = 3,609,779.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.