Home / 515,185-788,076

Finding the Third Proportional to 515,185 and 788,076

Calculator

Solution

The third proportional to 515,185 and 788,076 is: 1,205,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,185 : 788,076 = 788,076 : x
  2. Step 2: Convert to fraction form
    515,185/788,076 = 788,076/x
  3. Step 3: Cross multiply
    515,185x = 788,076 × 788,076
  4. Step 4: Simplify right side
    515,185x = 621,063,781,776
  5. Step 5: Solve for x
    x = 621,063,781,776/515,185
  6. Step 6: Final answer
    x = 1,205,516.04

Related Problems

Find third proportional to 257,592.50 and 394,038
Half scale
Find third proportional to 1,030,370 and 1,576,152
Double scale
Find third proportional to 515,187 and 788,079
Similar ratio
Find third proportional to 772,777.50 and 1,182,114
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.