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Finding the Third Proportional to 9,151,278 and 19,896,348

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Solution

The third proportional to 9,151,278 and 19,896,348 is: 43,257,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,278 : 19,896,348 = 19,896,348 : x
  2. Step 2: Convert to fraction form
    9,151,278/19,896,348 = 19,896,348/x
  3. Step 3: Cross multiply
    9,151,278x = 19,896,348 × 19,896,348
  4. Step 4: Simplify right side
    9,151,278x = 395,864,663,737,104
  5. Step 5: Solve for x
    x = 395,864,663,737,104/9,151,278
  6. Step 6: Final answer
    x = 43,257,855.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.