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Finding the Third Proportional to 121,795,803 and 287,416,297.13

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Solution

The third proportional to 121,795,803 and 287,416,297.13 is: 678,251,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,795,803 : 287,416,297.13 = 287,416,297.13 : x
  2. Step 2: Convert to fraction form
    121,795,803/287,416,297.13 = 287,416,297.13/x
  3. Step 3: Cross multiply
    121,795,803x = 287,416,297.13 × 287,416,297.13
  4. Step 4: Simplify right side
    121,795,803x = 82,608,127,853,046,288
  5. Step 5: Solve for x
    x = 82,608,127,853,046,288/121,795,803
  6. Step 6: Final answer
    x = 678,251,021.94

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