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Finding the Third Proportional to 25,143 and 53,202

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Solution

The third proportional to 25,143 and 53,202 is: 112,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143 : 53,202 = 53,202 : x
  2. Step 2: Convert to fraction form
    25,143/53,202 = 53,202/x
  3. Step 3: Cross multiply
    25,143x = 53,202 × 53,202
  4. Step 4: Simplify right side
    25,143x = 2,830,452,804
  5. Step 5: Solve for x
    x = 2,830,452,804/25,143
  6. Step 6: Final answer
    x = 112,574.19

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.