Home / 121,038-186,661

Finding the Third Proportional to 121,038 and 186,661

Calculator

Solution

The third proportional to 121,038 and 186,661 is: 287,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,038 : 186,661 = 186,661 : x
  2. Step 2: Convert to fraction form
    121,038/186,661 = 186,661/x
  3. Step 3: Cross multiply
    121,038x = 186,661 × 186,661
  4. Step 4: Simplify right side
    121,038x = 34,842,328,921
  5. Step 5: Solve for x
    x = 34,842,328,921/121,038
  6. Step 6: Final answer
    x = 287,862.73

Related Problems

Find third proportional to 60,519 and 93,330.50
Half scale
Find third proportional to 242,076 and 373,322
Double scale
Find third proportional to 121,040 and 186,664
Similar ratio
Find third proportional to 181,557 and 279,991.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.