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Finding the Third Proportional to 86,030 and 130,338

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Solution

The third proportional to 86,030 and 130,338 is: 197,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,030 : 130,338 = 130,338 : x
  2. Step 2: Convert to fraction form
    86,030/130,338 = 130,338/x
  3. Step 3: Cross multiply
    86,030x = 130,338 × 130,338
  4. Step 4: Simplify right side
    86,030x = 16,987,994,244
  5. Step 5: Solve for x
    x = 16,987,994,244/86,030
  6. Step 6: Final answer
    x = 197,465.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.