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Finding the Third Proportional to 3,805,916.63 and 6,247,985.63

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Solution

The third proportional to 3,805,916.63 and 6,247,985.63 is: 10,257,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805,916.63 : 6,247,985.63 = 6,247,985.63 : x
  2. Step 2: Convert to fraction form
    3,805,916.63/6,247,985.63 = 6,247,985.63/x
  3. Step 3: Cross multiply
    3,805,916.63x = 6,247,985.63 × 6,247,985.63
  4. Step 4: Simplify right side
    3,805,916.63x = 39,037,324,370,206.64
  5. Step 5: Solve for x
    x = 39,037,324,370,206.64/3,805,916.63
  6. Step 6: Final answer
    x = 10,257,009.87

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.