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Finding the Third Proportional to 10,070,622 and 21,515,220

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Solution

The third proportional to 10,070,622 and 21,515,220 is: 45,965,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070,622 : 21,515,220 = 21,515,220 : x
  2. Step 2: Convert to fraction form
    10,070,622/21,515,220 = 21,515,220/x
  3. Step 3: Cross multiply
    10,070,622x = 21,515,220 × 21,515,220
  4. Step 4: Simplify right side
    10,070,622x = 462,904,691,648,400
  5. Step 5: Solve for x
    x = 462,904,691,648,400/10,070,622
  6. Step 6: Final answer
    x = 45,965,849.15

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.