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Finding the Third Proportional to 641,278.50 and 1,354,971

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Solution

The third proportional to 641,278.50 and 1,354,971 is: 2,862,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,278.50 : 1,354,971 = 1,354,971 : x
  2. Step 2: Convert to fraction form
    641,278.50/1,354,971 = 1,354,971/x
  3. Step 3: Cross multiply
    641,278.50x = 1,354,971 × 1,354,971
  4. Step 4: Simplify right side
    641,278.50x = 1,835,946,410,841
  5. Step 5: Solve for x
    x = 1,835,946,410,841/641,278.50
  6. Step 6: Final answer
    x = 2,862,947.08

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.