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Finding the Third Proportional to 21,670,290 and 45,134,172

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Solution

The third proportional to 21,670,290 and 45,134,172 is: 94,003,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670,290 : 45,134,172 = 45,134,172 : x
  2. Step 2: Convert to fraction form
    21,670,290/45,134,172 = 45,134,172/x
  3. Step 3: Cross multiply
    21,670,290x = 45,134,172 × 45,134,172
  4. Step 4: Simplify right side
    21,670,290x = 2,037,093,482,125,584
  5. Step 5: Solve for x
    x = 2,037,093,482,125,584/21,670,290
  6. Step 6: Final answer
    x = 94,003,978.82

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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.