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Finding the Third Proportional to 4,045,307 and 8,690,944

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Solution

The third proportional to 4,045,307 and 8,690,944 is: 18,671,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045,307 : 8,690,944 = 8,690,944 : x
  2. Step 2: Convert to fraction form
    4,045,307/8,690,944 = 8,690,944/x
  3. Step 3: Cross multiply
    4,045,307x = 8,690,944 × 8,690,944
  4. Step 4: Simplify right side
    4,045,307x = 75,532,507,611,136
  5. Step 5: Solve for x
    x = 75,532,507,611,136/4,045,307
  6. Step 6: Final answer
    x = 18,671,637.93

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.