Home / 515,182-788,113

Finding the Third Proportional to 515,182 and 788,113

Calculator

Solution

The third proportional to 515,182 and 788,113 is: 1,205,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,182 : 788,113 = 788,113 : x
  2. Step 2: Convert to fraction form
    515,182/788,113 = 788,113/x
  3. Step 3: Cross multiply
    515,182x = 788,113 × 788,113
  4. Step 4: Simplify right side
    515,182x = 621,122,100,769
  5. Step 5: Solve for x
    x = 621,122,100,769/515,182
  6. Step 6: Final answer
    x = 1,205,636.26

Related Problems

Find third proportional to 257,591 and 394,056.50
Half scale
Find third proportional to 1,030,364 and 1,576,226
Double scale
Find third proportional to 515,184 and 788,116
Similar ratio
Find third proportional to 772,773 and 1,182,169.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.