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Finding the Third Proportional to 290,239.88 and 448,301.25

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Solution

The third proportional to 290,239.88 and 448,301.25 is: 692,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,239.88 : 448,301.25 = 448,301.25 : x
  2. Step 2: Convert to fraction form
    290,239.88/448,301.25 = 448,301.25/x
  3. Step 3: Cross multiply
    290,239.88x = 448,301.25 × 448,301.25
  4. Step 4: Simplify right side
    290,239.88x = 200,974,010,751.56
  5. Step 5: Solve for x
    x = 200,974,010,751.56/290,239.88
  6. Step 6: Final answer
    x = 692,441.07

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.