Home / 551,116-780,102

Finding the Third Proportional to 551,116 and 780,102

Calculator

Solution

The third proportional to 551,116 and 780,102 is: 1,104,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,116 : 780,102 = 780,102 : x
  2. Step 2: Convert to fraction form
    551,116/780,102 = 780,102/x
  3. Step 3: Cross multiply
    551,116x = 780,102 × 780,102
  4. Step 4: Simplify right side
    551,116x = 608,559,130,404
  5. Step 5: Solve for x
    x = 608,559,130,404/551,116
  6. Step 6: Final answer
    x = 1,104,230.56

Related Problems

Find third proportional to 275,558 and 390,051
Half scale
Find third proportional to 1,102,232 and 1,560,204
Double scale
Find third proportional to 551,118 and 780,105
Similar ratio
Find third proportional to 826,674 and 1,170,153
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.