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Finding the Third Proportional to 25,020 and 53,385

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Solution

The third proportional to 25,020 and 53,385 is: 113,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020 : 53,385 = 53,385 : x
  2. Step 2: Convert to fraction form
    25,020/53,385 = 53,385/x
  3. Step 3: Cross multiply
    25,020x = 53,385 × 53,385
  4. Step 4: Simplify right side
    25,020x = 2,849,958,225
  5. Step 5: Solve for x
    x = 2,849,958,225/25,020
  6. Step 6: Final answer
    x = 113,907.20

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.