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Finding the Third Proportional to 134,902,371 and 290,265,180

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Solution

The third proportional to 134,902,371 and 290,265,180 is: 624,554,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,902,371 : 290,265,180 = 290,265,180 : x
  2. Step 2: Convert to fraction form
    134,902,371/290,265,180 = 290,265,180/x
  3. Step 3: Cross multiply
    134,902,371x = 290,265,180 × 290,265,180
  4. Step 4: Simplify right side
    134,902,371x = 84,253,874,720,432,400
  5. Step 5: Solve for x
    x = 84,253,874,720,432,400/134,902,371
  6. Step 6: Final answer
    x = 624,554,439.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.