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Finding the Third Proportional to 66,090,219 and 143,160,150

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Solution

The third proportional to 66,090,219 and 143,160,150 is: 310,103,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090,219 : 143,160,150 = 143,160,150 : x
  2. Step 2: Convert to fraction form
    66,090,219/143,160,150 = 143,160,150/x
  3. Step 3: Cross multiply
    66,090,219x = 143,160,150 × 143,160,150
  4. Step 4: Simplify right side
    66,090,219x = 20,494,828,548,022,500
  5. Step 5: Solve for x
    x = 20,494,828,548,022,500/66,090,219
  6. Step 6: Final answer
    x = 310,103,807.46

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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.