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Finding the Third Proportional to 143,253,603 and 306,930,768.75

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Solution

The third proportional to 143,253,603 and 306,930,768.75 is: 657,620,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,253,603 : 306,930,768.75 = 306,930,768.75 : x
  2. Step 2: Convert to fraction form
    143,253,603/306,930,768.75 = 306,930,768.75/x
  3. Step 3: Cross multiply
    143,253,603x = 306,930,768.75 × 306,930,768.75
  4. Step 4: Simplify right side
    143,253,603x = 94,206,496,805,465,984
  5. Step 5: Solve for x
    x = 94,206,496,805,465,984/143,253,603
  6. Step 6: Final answer
    x = 657,620,435.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.