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Finding the Third Proportional to 190,157 and 292,310

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Solution

The third proportional to 190,157 and 292,310 is: 449,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,157 : 292,310 = 292,310 : x
  2. Step 2: Convert to fraction form
    190,157/292,310 = 292,310/x
  3. Step 3: Cross multiply
    190,157x = 292,310 × 292,310
  4. Step 4: Simplify right side
    190,157x = 85,445,136,100
  5. Step 5: Solve for x
    x = 85,445,136,100/190,157
  6. Step 6: Final answer
    x = 449,339.95

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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.