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Finding the Third Proportional to 36,570,137 and 78,643,954

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Solution

The third proportional to 36,570,137 and 78,643,954 is: 169,123,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,570,137 : 78,643,954 = 78,643,954 : x
  2. Step 2: Convert to fraction form
    36,570,137/78,643,954 = 78,643,954/x
  3. Step 3: Cross multiply
    36,570,137x = 78,643,954 × 78,643,954
  4. Step 4: Simplify right side
    36,570,137x = 6,184,871,500,754,116
  5. Step 5: Solve for x
    x = 6,184,871,500,754,116/36,570,137
  6. Step 6: Final answer
    x = 169,123,552.93

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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.