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Finding the Third Proportional to 4,277,638 and 9,511,688

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Solution

The third proportional to 4,277,638 and 9,511,688 is: 21,150,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277,638 : 9,511,688 = 9,511,688 : x
  2. Step 2: Convert to fraction form
    4,277,638/9,511,688 = 9,511,688/x
  3. Step 3: Cross multiply
    4,277,638x = 9,511,688 × 9,511,688
  4. Step 4: Simplify right side
    4,277,638x = 90,472,208,609,344
  5. Step 5: Solve for x
    x = 90,472,208,609,344/4,277,638
  6. Step 6: Final answer
    x = 21,150,038.55

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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.