Home / 357,007.50-779,118.75

Finding the Third Proportional to 357,007.50 and 779,118.75

Calculator

Solution

The third proportional to 357,007.50 and 779,118.75 is: 1,700,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,007.50 : 779,118.75 = 779,118.75 : x
  2. Step 2: Convert to fraction form
    357,007.50/779,118.75 = 779,118.75/x
  3. Step 3: Cross multiply
    357,007.50x = 779,118.75 × 779,118.75
  4. Step 4: Simplify right side
    357,007.50x = 607,026,026,601.56
  5. Step 5: Solve for x
    x = 607,026,026,601.56/357,007.50
  6. Step 6: Final answer
    x = 1,700,317.29

Related Problems

Find third proportional to 178,503.75 and 389,559.38
Half scale
Find third proportional to 714,015 and 1,558,237.50
Double scale
Find third proportional to 357,010 and 779,123
Similar ratio
Find third proportional to 535,511.25 and 1,168,678.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.