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Finding the Third Proportional to 66,090,252 and 143,160,216

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Solution

The third proportional to 66,090,252 and 143,160,216 is: 310,103,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090,252 : 143,160,216 = 143,160,216 : x
  2. Step 2: Convert to fraction form
    66,090,252/143,160,216 = 143,160,216/x
  3. Step 3: Cross multiply
    66,090,252x = 143,160,216 × 143,160,216
  4. Step 4: Simplify right side
    66,090,252x = 20,494,847,445,166,656
  5. Step 5: Solve for x
    x = 20,494,847,445,166,656/66,090,252
  6. Step 6: Final answer
    x = 310,103,938.55

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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.