Home / 61,778-125,740

Finding the Third Proportional to 61,778 and 125,740

Calculator

Solution

The third proportional to 61,778 and 125,740 is: 255,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,778 : 125,740 = 125,740 : x
  2. Step 2: Convert to fraction form
    61,778/125,740 = 125,740/x
  3. Step 3: Cross multiply
    61,778x = 125,740 × 125,740
  4. Step 4: Simplify right side
    61,778x = 15,810,547,600
  5. Step 5: Solve for x
    x = 15,810,547,600/61,778
  6. Step 6: Final answer
    x = 255,925.21

Related Problems

Find third proportional to 30,889 and 62,870
Half scale
Find third proportional to 123,556 and 251,480
Double scale
Find third proportional to 61,780 and 125,744
Similar ratio
Find third proportional to 92,667 and 188,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.