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Finding the Third Proportional to 245,893.22 and 390,993.33

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Solution

The third proportional to 245,893.22 and 390,993.33 is: 621,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,893.22 : 390,993.33 = 390,993.33 : x
  2. Step 2: Convert to fraction form
    245,893.22/390,993.33 = 390,993.33/x
  3. Step 3: Cross multiply
    245,893.22x = 390,993.33 × 390,993.33
  4. Step 4: Simplify right side
    245,893.22x = 152,875,782,638.26
  5. Step 5: Solve for x
    x = 152,875,782,638.26/245,893.22
  6. Step 6: Final answer
    x = 621,716.14

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.