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Finding the Third Proportional to 19,854 and 28,363

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Solution

The third proportional to 19,854 and 28,363 is: 40,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854 : 28,363 = 28,363 : x
  2. Step 2: Convert to fraction form
    19,854/28,363 = 28,363/x
  3. Step 3: Cross multiply
    19,854x = 28,363 × 28,363
  4. Step 4: Simplify right side
    19,854x = 804,459,769
  5. Step 5: Solve for x
    x = 804,459,769/19,854
  6. Step 6: Final answer
    x = 40,518.78

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.