Home / 515,160-788,038

Finding the Third Proportional to 515,160 and 788,038

Calculator

Solution

The third proportional to 515,160 and 788,038 is: 1,205,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,160 : 788,038 = 788,038 : x
  2. Step 2: Convert to fraction form
    515,160/788,038 = 788,038/x
  3. Step 3: Cross multiply
    515,160x = 788,038 × 788,038
  4. Step 4: Simplify right side
    515,160x = 621,003,889,444
  5. Step 5: Solve for x
    x = 621,003,889,444/515,160
  6. Step 6: Final answer
    x = 1,205,458.28

Related Problems

Find third proportional to 257,580 and 394,019
Half scale
Find third proportional to 1,030,320 and 1,576,076
Double scale
Find third proportional to 515,162 and 788,041
Similar ratio
Find third proportional to 772,740 and 1,182,057
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.