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Finding the Third Proportional to 616,624,785 and 1,455,171,905.25

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Solution

The third proportional to 616,624,785 and 1,455,171,905.25 is: 3,434,057,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,624,785 : 1,455,171,905.25 = 1,455,171,905.25 : x
  2. Step 2: Convert to fraction form
    616,624,785/1,455,171,905.25 = 1,455,171,905.25/x
  3. Step 3: Cross multiply
    616,624,785x = 1,455,171,905.25 × 1,455,171,905.25
  4. Step 4: Simplify right side
    616,624,785x = 2,117,525,273,828,914,944
  5. Step 5: Solve for x
    x = 2,117,525,273,828,914,944/616,624,785
  6. Step 6: Final answer
    x = 3,434,057,996.60

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.