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Finding the Third Proportional to 18,623 and 42,547

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Solution

The third proportional to 18,623 and 42,547 is: 97,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623 : 42,547 = 42,547 : x
  2. Step 2: Convert to fraction form
    18,623/42,547 = 42,547/x
  3. Step 3: Cross multiply
    18,623x = 42,547 × 42,547
  4. Step 4: Simplify right side
    18,623x = 1,810,247,209
  5. Step 5: Solve for x
    x = 1,810,247,209/18,623
  6. Step 6: Final answer
    x = 97,204.92

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.