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Finding the Third Proportional to 143,521.88 and 310,007.25

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Solution

The third proportional to 143,521.88 and 310,007.25 is: 669,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,521.88 : 310,007.25 = 310,007.25 : x
  2. Step 2: Convert to fraction form
    143,521.88/310,007.25 = 310,007.25/x
  3. Step 3: Cross multiply
    143,521.88x = 310,007.25 × 310,007.25
  4. Step 4: Simplify right side
    143,521.88x = 96,104,495,052.56
  5. Step 5: Solve for x
    x = 96,104,495,052.56/143,521.88
  6. Step 6: Final answer
    x = 669,615.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.