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Finding the Third Proportional to 30,647,495 and 66,675,796

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Solution

The third proportional to 30,647,495 and 66,675,796 is: 145,057,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647,495 : 66,675,796 = 66,675,796 : x
  2. Step 2: Convert to fraction form
    30,647,495/66,675,796 = 66,675,796/x
  3. Step 3: Cross multiply
    30,647,495x = 66,675,796 × 66,675,796
  4. Step 4: Simplify right side
    30,647,495x = 4,445,661,772,233,616
  5. Step 5: Solve for x
    x = 4,445,661,772,233,616/30,647,495
  6. Step 6: Final answer
    x = 145,057,916.55

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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.