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Finding the Third Proportional to 8,621,316 and 12,967,968

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Solution

The third proportional to 8,621,316 and 12,967,968 is: 19,506,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,316 : 12,967,968 = 12,967,968 : x
  2. Step 2: Convert to fraction form
    8,621,316/12,967,968 = 12,967,968/x
  3. Step 3: Cross multiply
    8,621,316x = 12,967,968 × 12,967,968
  4. Step 4: Simplify right side
    8,621,316x = 168,168,194,049,024
  5. Step 5: Solve for x
    x = 168,168,194,049,024/8,621,316
  6. Step 6: Final answer
    x = 19,506,093.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.