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Finding the Third Proportional to 5,436,218 and 7,604,221

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Solution

The third proportional to 5,436,218 and 7,604,221 is: 10,636,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436,218 : 7,604,221 = 7,604,221 : x
  2. Step 2: Convert to fraction form
    5,436,218/7,604,221 = 7,604,221/x
  3. Step 3: Cross multiply
    5,436,218x = 7,604,221 × 7,604,221
  4. Step 4: Simplify right side
    5,436,218x = 57,824,177,016,841
  5. Step 5: Solve for x
    x = 57,824,177,016,841/5,436,218
  6. Step 6: Final answer
    x = 10,636,839.25

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.