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Finding the Third Proportional to 34,128,339 and 74,641,552

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Solution

The third proportional to 34,128,339 and 74,641,552 is: 163,247,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128,339 : 74,641,552 = 74,641,552 : x
  2. Step 2: Convert to fraction form
    34,128,339/74,641,552 = 74,641,552/x
  3. Step 3: Cross multiply
    34,128,339x = 74,641,552 × 74,641,552
  4. Step 4: Simplify right side
    34,128,339x = 5,571,361,284,968,704
  5. Step 5: Solve for x
    x = 5,571,361,284,968,704/34,128,339
  6. Step 6: Final answer
    x = 163,247,361.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.