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Finding the Third Proportional to 28,874,054 and 64,203,880

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Solution

The third proportional to 28,874,054 and 64,203,880 is: 142,762,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,054 : 64,203,880 = 64,203,880 : x
  2. Step 2: Convert to fraction form
    28,874,054/64,203,880 = 64,203,880/x
  3. Step 3: Cross multiply
    28,874,054x = 64,203,880 × 64,203,880
  4. Step 4: Simplify right side
    28,874,054x = 4,122,138,207,054,400
  5. Step 5: Solve for x
    x = 4,122,138,207,054,400/28,874,054
  6. Step 6: Final answer
    x = 142,762,710.32

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.