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Finding the Third Proportional to 1,211,390 and 2,623,387

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Solution

The third proportional to 1,211,390 and 2,623,387 is: 5,681,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,390 : 2,623,387 = 2,623,387 : x
  2. Step 2: Convert to fraction form
    1,211,390/2,623,387 = 2,623,387/x
  3. Step 3: Cross multiply
    1,211,390x = 2,623,387 × 2,623,387
  4. Step 4: Simplify right side
    1,211,390x = 6,882,159,351,769
  5. Step 5: Solve for x
    x = 6,882,159,351,769/1,211,390
  6. Step 6: Final answer
    x = 5,681,208.65

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.