Home / 135,778-292,468

Finding the Third Proportional to 135,778 and 292,468

Calculator

Solution

The third proportional to 135,778 and 292,468 is: 629,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,778 : 292,468 = 292,468 : x
  2. Step 2: Convert to fraction form
    135,778/292,468 = 292,468/x
  3. Step 3: Cross multiply
    135,778x = 292,468 × 292,468
  4. Step 4: Simplify right side
    135,778x = 85,537,531,024
  5. Step 5: Solve for x
    x = 85,537,531,024/135,778
  6. Step 6: Final answer
    x = 629,980.78

Related Problems

Find third proportional to 67,889 and 146,234
Half scale
Find third proportional to 271,556 and 584,936
Double scale
Find third proportional to 135,780 and 292,472
Similar ratio
Find third proportional to 203,667 and 438,702
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.