Home / 58,815-127,890

Finding the Third Proportional to 58,815 and 127,890

Calculator

Solution

The third proportional to 58,815 and 127,890 is: 278,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,815 : 127,890 = 127,890 : x
  2. Step 2: Convert to fraction form
    58,815/127,890 = 127,890/x
  3. Step 3: Cross multiply
    58,815x = 127,890 × 127,890
  4. Step 4: Simplify right side
    58,815x = 16,355,852,100
  5. Step 5: Solve for x
    x = 16,355,852,100/58,815
  6. Step 6: Final answer
    x = 278,089.81

Related Problems

Find third proportional to 29,407.50 and 63,945
Half scale
Find third proportional to 117,630 and 255,780
Double scale
Find third proportional to 58,817 and 127,894
Similar ratio
Find third proportional to 88,222.50 and 191,835
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.