Home / 55,455-77,610.50

Finding the Third Proportional to 55,455 and 77,610.50

Calculator

Solution

The third proportional to 55,455 and 77,610.50 is: 108,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455 : 77,610.50 = 77,610.50 : x
  2. Step 2: Convert to fraction form
    55,455/77,610.50 = 77,610.50/x
  3. Step 3: Cross multiply
    55,455x = 77,610.50 × 77,610.50
  4. Step 4: Simplify right side
    55,455x = 6,023,389,710.25
  5. Step 5: Solve for x
    x = 6,023,389,710.25/55,455
  6. Step 6: Final answer
    x = 108,617.61

Related Problems

Find third proportional to 27,727.50 and 38,805.25
Half scale
Find third proportional to 110,910 and 155,221
Double scale
Find third proportional to 55,457 and 77,613
Similar ratio
Find third proportional to 83,182.50 and 116,415.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.