Home / 74,282-115,122

Finding the Third Proportional to 74,282 and 115,122

Calculator

Solution

The third proportional to 74,282 and 115,122 is: 178,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,282 : 115,122 = 115,122 : x
  2. Step 2: Convert to fraction form
    74,282/115,122 = 115,122/x
  3. Step 3: Cross multiply
    74,282x = 115,122 × 115,122
  4. Step 4: Simplify right side
    74,282x = 13,253,074,884
  5. Step 5: Solve for x
    x = 13,253,074,884/74,282
  6. Step 6: Final answer
    x = 178,415.70

Related Problems

Find third proportional to 37,141 and 57,561
Half scale
Find third proportional to 148,564 and 230,244
Double scale
Find third proportional to 74,284 and 115,125
Similar ratio
Find third proportional to 111,423 and 172,683
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.