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Finding the Third Proportional to 642,937.50 and 970,238.25

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Solution

The third proportional to 642,937.50 and 970,238.25 is: 1,464,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,937.50 : 970,238.25 = 970,238.25 : x
  2. Step 2: Convert to fraction form
    642,937.50/970,238.25 = 970,238.25/x
  3. Step 3: Cross multiply
    642,937.50x = 970,238.25 × 970,238.25
  4. Step 4: Simplify right side
    642,937.50x = 941,362,261,763.06
  5. Step 5: Solve for x
    x = 941,362,261,763.06/642,937.50
  6. Step 6: Final answer
    x = 1,464,158.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.