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Finding the Third Proportional to 763,956 and 1,618,979.63

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Solution

The third proportional to 763,956 and 1,618,979.63 is: 3,430,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,956 : 1,618,979.63 = 1,618,979.63 : x
  2. Step 2: Convert to fraction form
    763,956/1,618,979.63 = 1,618,979.63/x
  3. Step 3: Cross multiply
    763,956x = 1,618,979.63 × 1,618,979.63
  4. Step 4: Simplify right side
    763,956x = 2,621,095,026,165.14
  5. Step 5: Solve for x
    x = 2,621,095,026,165.14/763,956
  6. Step 6: Final answer
    x = 3,430,950.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.