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Finding the Third Proportional to 646,606.50 and 1,405,134

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Solution

The third proportional to 646,606.50 and 1,405,134 is: 3,053,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,606.50 : 1,405,134 = 1,405,134 : x
  2. Step 2: Convert to fraction form
    646,606.50/1,405,134 = 1,405,134/x
  3. Step 3: Cross multiply
    646,606.50x = 1,405,134 × 1,405,134
  4. Step 4: Simplify right side
    646,606.50x = 1,974,401,557,956
  5. Step 5: Solve for x
    x = 1,974,401,557,956/646,606.50
  6. Step 6: Final answer
    x = 3,053,482.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.