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Finding the Third Proportional to 28,228,980 and 43,154,826

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Solution

The third proportional to 28,228,980 and 43,154,826 is: 65,972,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228,980 : 43,154,826 = 43,154,826 : x
  2. Step 2: Convert to fraction form
    28,228,980/43,154,826 = 43,154,826/x
  3. Step 3: Cross multiply
    28,228,980x = 43,154,826 × 43,154,826
  4. Step 4: Simplify right side
    28,228,980x = 1,862,339,007,090,276
  5. Step 5: Solve for x
    x = 1,862,339,007,090,276/28,228,980
  6. Step 6: Final answer
    x = 65,972,592.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.