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Finding the Third Proportional to 4,475,191 and 9,663,479

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Solution

The third proportional to 4,475,191 and 9,663,479 is: 20,866,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475,191 : 9,663,479 = 9,663,479 : x
  2. Step 2: Convert to fraction form
    4,475,191/9,663,479 = 9,663,479/x
  3. Step 3: Cross multiply
    4,475,191x = 9,663,479 × 9,663,479
  4. Step 4: Simplify right side
    4,475,191x = 93,382,826,383,441
  5. Step 5: Solve for x
    x = 93,382,826,383,441/4,475,191
  6. Step 6: Final answer
    x = 20,866,780.07

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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.