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Finding the Third Proportional to 155,780,647.88 and 246,674,668.78

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Solution

The third proportional to 155,780,647.88 and 246,674,668.78 is: 390,603,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,780,647.88 : 246,674,668.78 = 246,674,668.78 : x
  2. Step 2: Convert to fraction form
    155,780,647.88/246,674,668.78 = 246,674,668.78/x
  3. Step 3: Cross multiply
    155,780,647.88x = 246,674,668.78 × 246,674,668.78
  4. Step 4: Simplify right side
    155,780,647.88x = 60,848,392,218,339,392
  5. Step 5: Solve for x
    x = 60,848,392,218,339,392/155,780,647.88
  6. Step 6: Final answer
    x = 390,603,024.50

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.