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Finding the Third Proportional to 43,426,819 and 66,159,056

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Solution

The third proportional to 43,426,819 and 66,159,056 is: 100,790,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426,819 : 66,159,056 = 66,159,056 : x
  2. Step 2: Convert to fraction form
    43,426,819/66,159,056 = 66,159,056/x
  3. Step 3: Cross multiply
    43,426,819x = 66,159,056 × 66,159,056
  4. Step 4: Simplify right side
    43,426,819x = 4,377,020,690,811,136
  5. Step 5: Solve for x
    x = 4,377,020,690,811,136/43,426,819
  6. Step 6: Final answer
    x = 100,790,727.75

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.