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Finding the Third Proportional to 154,978,072 and 340,184,624

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Solution

The third proportional to 154,978,072 and 340,184,624 is: 746,722,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,978,072 : 340,184,624 = 340,184,624 : x
  2. Step 2: Convert to fraction form
    154,978,072/340,184,624 = 340,184,624/x
  3. Step 3: Cross multiply
    154,978,072x = 340,184,624 × 340,184,624
  4. Step 4: Simplify right side
    154,978,072x = 115,725,578,406,021,376
  5. Step 5: Solve for x
    x = 115,725,578,406,021,376/154,978,072
  6. Step 6: Final answer
    x = 746,722,274.40

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.