Home / 61,780-135,588.50

Finding the Third Proportional to 61,780 and 135,588.50

Calculator

Solution

The third proportional to 61,780 and 135,588.50 is: 297,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780 : 135,588.50 = 135,588.50 : x
  2. Step 2: Convert to fraction form
    61,780/135,588.50 = 135,588.50/x
  3. Step 3: Cross multiply
    61,780x = 135,588.50 × 135,588.50
  4. Step 4: Simplify right side
    61,780x = 18,384,241,332.25
  5. Step 5: Solve for x
    x = 18,384,241,332.25/61,780
  6. Step 6: Final answer
    x = 297,575.94

Related Problems

Find third proportional to 30,890 and 67,794.25
Half scale
Find third proportional to 123,560 and 271,177
Double scale
Find third proportional to 61,782 and 135,593
Similar ratio
Find third proportional to 92,670 and 203,382.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.