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Finding the Third Proportional to 28,874,034 and 64,203,840

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Solution

The third proportional to 28,874,034 and 64,203,840 is: 142,762,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,034 : 64,203,840 = 64,203,840 : x
  2. Step 2: Convert to fraction form
    28,874,034/64,203,840 = 64,203,840/x
  3. Step 3: Cross multiply
    28,874,034x = 64,203,840 × 64,203,840
  4. Step 4: Simplify right side
    28,874,034x = 4,122,133,070,745,600
  5. Step 5: Solve for x
    x = 4,122,133,070,745,600/28,874,034
  6. Step 6: Final answer
    x = 142,762,631.32

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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.