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Finding the Third Proportional to 28,988,592 and 63,185,728

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Solution

The third proportional to 28,988,592 and 63,185,728 is: 137,724,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,592 : 63,185,728 = 63,185,728 : x
  2. Step 2: Convert to fraction form
    28,988,592/63,185,728 = 63,185,728/x
  3. Step 3: Cross multiply
    28,988,592x = 63,185,728 × 63,185,728
  4. Step 4: Simplify right side
    28,988,592x = 3,992,436,222,889,984
  5. Step 5: Solve for x
    x = 3,992,436,222,889,984/28,988,592
  6. Step 6: Final answer
    x = 137,724,392.51

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.