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Finding the Third Proportional to 43,169,925 and 66,422,257

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Solution

The third proportional to 43,169,925 and 66,422,257 is: 102,198,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169,925 : 66,422,257 = 66,422,257 : x
  2. Step 2: Convert to fraction form
    43,169,925/66,422,257 = 66,422,257/x
  3. Step 3: Cross multiply
    43,169,925x = 66,422,257 × 66,422,257
  4. Step 4: Simplify right side
    43,169,925x = 4,411,916,224,974,049
  5. Step 5: Solve for x
    x = 4,411,916,224,974,049/43,169,925
  6. Step 6: Final answer
    x = 102,198,839.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.