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Finding the Third Proportional to 66,090,206 and 143,160,124

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Solution

The third proportional to 66,090,206 and 143,160,124 is: 310,103,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090,206 : 143,160,124 = 143,160,124 : x
  2. Step 2: Convert to fraction form
    66,090,206/143,160,124 = 143,160,124/x
  3. Step 3: Cross multiply
    66,090,206x = 143,160,124 × 143,160,124
  4. Step 4: Simplify right side
    66,090,206x = 20,494,821,103,695,376
  5. Step 5: Solve for x
    x = 20,494,821,103,695,376/66,090,206
  6. Step 6: Final answer
    x = 310,103,755.82

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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.