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Finding the Third Proportional to 99,528,120 and 155,787,570

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Solution

The third proportional to 99,528,120 and 155,787,570 is: 243,848,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528,120 : 155,787,570 = 155,787,570 : x
  2. Step 2: Convert to fraction form
    99,528,120/155,787,570 = 155,787,570/x
  3. Step 3: Cross multiply
    99,528,120x = 155,787,570 × 155,787,570
  4. Step 4: Simplify right side
    99,528,120x = 24,269,766,966,504,900
  5. Step 5: Solve for x
    x = 24,269,766,966,504,900/99,528,120
  6. Step 6: Final answer
    x = 243,848,341.22

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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.