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Finding the Third Proportional to 28,430,128 and 41,578,949

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Solution

The third proportional to 28,430,128 and 41,578,949 is: 60,809,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,128 : 41,578,949 = 41,578,949 : x
  2. Step 2: Convert to fraction form
    28,430,128/41,578,949 = 41,578,949/x
  3. Step 3: Cross multiply
    28,430,128x = 41,578,949 × 41,578,949
  4. Step 4: Simplify right side
    28,430,128x = 1,728,808,999,944,601
  5. Step 5: Solve for x
    x = 1,728,808,999,944,601/28,430,128
  6. Step 6: Final answer
    x = 60,809,047.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.