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Finding the Third Proportional to 99,528,122 and 155,787,573

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Solution

The third proportional to 99,528,122 and 155,787,573 is: 243,848,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528,122 : 155,787,573 = 155,787,573 : x
  2. Step 2: Convert to fraction form
    99,528,122/155,787,573 = 155,787,573/x
  3. Step 3: Cross multiply
    99,528,122x = 155,787,573 × 155,787,573
  4. Step 4: Simplify right side
    99,528,122x = 24,269,767,901,230,328
  5. Step 5: Solve for x
    x = 24,269,767,901,230,328/99,528,122
  6. Step 6: Final answer
    x = 243,848,345.71

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.