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Finding the Third Proportional to 68,956,877 and 150,020,563

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Solution

The third proportional to 68,956,877 and 150,020,563 is: 326,380,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,956,877 : 150,020,563 = 150,020,563 : x
  2. Step 2: Convert to fraction form
    68,956,877/150,020,563 = 150,020,563/x
  3. Step 3: Cross multiply
    68,956,877x = 150,020,563 × 150,020,563
  4. Step 4: Simplify right side
    68,956,877x = 22,506,169,322,836,968
  5. Step 5: Solve for x
    x = 22,506,169,322,836,968/68,956,877
  6. Step 6: Final answer
    x = 326,380,345.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.