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Finding the Third Proportional to 290,041.75 and 448,188

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Solution

The third proportional to 290,041.75 and 448,188 is: 692,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,041.75 : 448,188 = 448,188 : x
  2. Step 2: Convert to fraction form
    290,041.75/448,188 = 448,188/x
  3. Step 3: Cross multiply
    290,041.75x = 448,188 × 448,188
  4. Step 4: Simplify right side
    290,041.75x = 200,872,483,344
  5. Step 5: Solve for x
    x = 200,872,483,344/290,041.75
  6. Step 6: Final answer
    x = 692,564.03

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.