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Finding the Third Proportional to 4,279,356 and 9,232,818

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Solution

The third proportional to 4,279,356 and 9,232,818 is: 19,920,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279,356 : 9,232,818 = 9,232,818 : x
  2. Step 2: Convert to fraction form
    4,279,356/9,232,818 = 9,232,818/x
  3. Step 3: Cross multiply
    4,279,356x = 9,232,818 × 9,232,818
  4. Step 4: Simplify right side
    4,279,356x = 85,244,928,221,124
  5. Step 5: Solve for x
    x = 85,244,928,221,124/4,279,356
  6. Step 6: Final answer
    x = 19,920,036.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.