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Finding the Third Proportional to 8,946,648,860 and 13,342,388,978

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Solution

The third proportional to 8,946,648,860 and 13,342,388,978 is: 19,897,879,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946,648,860 : 13,342,388,978 = 13,342,388,978 : x
  2. Step 2: Convert to fraction form
    8,946,648,860/13,342,388,978 = 13,342,388,978/x
  3. Step 3: Cross multiply
    8,946,648,860x = 13,342,388,978 × 13,342,388,978
  4. Step 4: Simplify right side
    8,946,648,860x = 178,019,343,640,255,889,408
  5. Step 5: Solve for x
    x = 178,019,343,640,255,889,408/8,946,648,860
  6. Step 6: Final answer
    x = 19,897,879,801.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.