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Finding the Third Proportional to 121,795,752 and 287,416,161

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Solution

The third proportional to 121,795,752 and 287,416,161 is: 678,250,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,795,752 : 287,416,161 = 287,416,161 : x
  2. Step 2: Convert to fraction form
    121,795,752/287,416,161 = 287,416,161/x
  3. Step 3: Cross multiply
    121,795,752x = 287,416,161 × 287,416,161
  4. Step 4: Simplify right side
    121,795,752x = 82,608,049,603,977,920
  5. Step 5: Solve for x
    x = 82,608,049,603,977,920/121,795,752
  6. Step 6: Final answer
    x = 678,250,663.49

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.