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Finding the Third Proportional to 7,874,554 and 12,147,623

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Solution

The third proportional to 7,874,554 and 12,147,623 is: 18,739,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,554 : 12,147,623 = 12,147,623 : x
  2. Step 2: Convert to fraction form
    7,874,554/12,147,623 = 12,147,623/x
  3. Step 3: Cross multiply
    7,874,554x = 12,147,623 × 12,147,623
  4. Step 4: Simplify right side
    7,874,554x = 147,564,744,550,129
  5. Step 5: Solve for x
    x = 147,564,744,550,129/7,874,554
  6. Step 6: Final answer
    x = 18,739,441.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.