Home / 69,768-157,788

Finding the Third Proportional to 69,768 and 157,788

Calculator

Solution

The third proportional to 69,768 and 157,788 is: 356,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,768 : 157,788 = 157,788 : x
  2. Step 2: Convert to fraction form
    69,768/157,788 = 157,788/x
  3. Step 3: Cross multiply
    69,768x = 157,788 × 157,788
  4. Step 4: Simplify right side
    69,768x = 24,897,052,944
  5. Step 5: Solve for x
    x = 24,897,052,944/69,768
  6. Step 6: Final answer
    x = 356,854.90

Related Problems

Find third proportional to 34,884 and 78,894
Half scale
Find third proportional to 139,536 and 315,576
Double scale
Find third proportional to 69,770 and 157,793
Similar ratio
Find third proportional to 104,652 and 236,682
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.