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Finding the Third Proportional to 30,904,246 and 64,351,780

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Solution

The third proportional to 30,904,246 and 64,351,780 is: 133,999,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904,246 : 64,351,780 = 64,351,780 : x
  2. Step 2: Convert to fraction form
    30,904,246/64,351,780 = 64,351,780/x
  3. Step 3: Cross multiply
    30,904,246x = 64,351,780 × 64,351,780
  4. Step 4: Simplify right side
    30,904,246x = 4,141,151,589,168,400
  5. Step 5: Solve for x
    x = 4,141,151,589,168,400/30,904,246
  6. Step 6: Final answer
    x = 133,999,437.78

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.