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Finding the Third Proportional to 80,953,956 and 124,355,169

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Solution

The third proportional to 80,953,956 and 124,355,169 is: 191,024,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,953,956 : 124,355,169 = 124,355,169 : x
  2. Step 2: Convert to fraction form
    80,953,956/124,355,169 = 124,355,169/x
  3. Step 3: Cross multiply
    80,953,956x = 124,355,169 × 124,355,169
  4. Step 4: Simplify right side
    80,953,956x = 15,464,208,057,018,560
  5. Step 5: Solve for x
    x = 15,464,208,057,018,560/80,953,956
  6. Step 6: Final answer
    x = 191,024,735.80

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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.