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Finding the Third Proportional to 19,158 and 29,440

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Solution

The third proportional to 19,158 and 29,440 is: 45,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158 : 29,440 = 29,440 : x
  2. Step 2: Convert to fraction form
    19,158/29,440 = 29,440/x
  3. Step 3: Cross multiply
    19,158x = 29,440 × 29,440
  4. Step 4: Simplify right side
    19,158x = 866,713,600
  5. Step 5: Solve for x
    x = 866,713,600/19,158
  6. Step 6: Final answer
    x = 45,240.30

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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.