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Finding the Third Proportional to 200,012,505.75 and 300,551,258.25

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Solution

The third proportional to 200,012,505.75 and 300,551,258.25 is: 451,627,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012,505.75 : 300,551,258.25 = 300,551,258.25 : x
  2. Step 2: Convert to fraction form
    200,012,505.75/300,551,258.25 = 300,551,258.25/x
  3. Step 3: Cross multiply
    200,012,505.75x = 300,551,258.25 × 300,551,258.25
  4. Step 4: Simplify right side
    200,012,505.75x = 90,331,058,835,658,192
  5. Step 5: Solve for x
    x = 90,331,058,835,658,192/200,012,505.75
  6. Step 6: Final answer
    x = 451,627,054.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.