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Finding the Third Proportional to 21,042,079 and 45,280,094

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Solution

The third proportional to 21,042,079 and 45,280,094 is: 97,437,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042,079 : 45,280,094 = 45,280,094 : x
  2. Step 2: Convert to fraction form
    21,042,079/45,280,094 = 45,280,094/x
  3. Step 3: Cross multiply
    21,042,079x = 45,280,094 × 45,280,094
  4. Step 4: Simplify right side
    21,042,079x = 2,050,286,912,648,836
  5. Step 5: Solve for x
    x = 2,050,286,912,648,836/21,042,079
  6. Step 6: Final answer
    x = 97,437,468.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.