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Finding the Third Proportional to 190,203 and 294,363

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Solution

The third proportional to 190,203 and 294,363 is: 455,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203 : 294,363 = 294,363 : x
  2. Step 2: Convert to fraction form
    190,203/294,363 = 294,363/x
  3. Step 3: Cross multiply
    190,203x = 294,363 × 294,363
  4. Step 4: Simplify right side
    190,203x = 86,649,575,769
  5. Step 5: Solve for x
    x = 86,649,575,769/190,203
  6. Step 6: Final answer
    x = 455,563.66

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Why These Related Problems?

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