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Finding the Third Proportional to 121,795,795.50 and 287,416,277.50

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Solution

The third proportional to 121,795,795.50 and 287,416,277.50 is: 678,250,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,795,795.50 : 287,416,277.50 = 287,416,277.50 : x
  2. Step 2: Convert to fraction form
    121,795,795.50/287,416,277.50 = 287,416,277.50/x
  3. Step 3: Cross multiply
    121,795,795.50x = 287,416,277.50 × 287,416,277.50
  4. Step 4: Simplify right side
    121,795,795.50x = 82,608,116,571,957,008
  5. Step 5: Solve for x
    x = 82,608,116,571,957,008/121,795,795.50
  6. Step 6: Final answer
    x = 678,250,971.09

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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.