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Finding the Third Proportional to 1,665,443.25 and 3,583,485

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Solution

The third proportional to 1,665,443.25 and 3,583,485 is: 7,710,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,443.25 : 3,583,485 = 3,583,485 : x
  2. Step 2: Convert to fraction form
    1,665,443.25/3,583,485 = 3,583,485/x
  3. Step 3: Cross multiply
    1,665,443.25x = 3,583,485 × 3,583,485
  4. Step 4: Simplify right side
    1,665,443.25x = 12,841,364,745,225
  5. Step 5: Solve for x
    x = 12,841,364,745,225/1,665,443.25
  6. Step 6: Final answer
    x = 7,710,478.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.