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Finding the Third Proportional to 40,603,722 and 66,655,485

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Solution

The third proportional to 40,603,722 and 66,655,485 is: 109,422,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,603,722 : 66,655,485 = 66,655,485 : x
  2. Step 2: Convert to fraction form
    40,603,722/66,655,485 = 66,655,485/x
  3. Step 3: Cross multiply
    40,603,722x = 66,655,485 × 66,655,485
  4. Step 4: Simplify right side
    40,603,722x = 4,442,953,680,585,225
  5. Step 5: Solve for x
    x = 4,442,953,680,585,225/40,603,722
  6. Step 6: Final answer
    x = 109,422,325.39

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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.