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Finding the Third Proportional to 80,923,129 and 118,312,444

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Solution

The third proportional to 80,923,129 and 118,312,444 is: 172,976,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,923,129 : 118,312,444 = 118,312,444 : x
  2. Step 2: Convert to fraction form
    80,923,129/118,312,444 = 118,312,444/x
  3. Step 3: Cross multiply
    80,923,129x = 118,312,444 × 118,312,444
  4. Step 4: Simplify right side
    80,923,129x = 13,997,834,405,253,136
  5. Step 5: Solve for x
    x = 13,997,834,405,253,136/80,923,129
  6. Step 6: Final answer
    x = 172,976,929.81

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.