Home / 360,569-778,258.50

Finding the Third Proportional to 360,569 and 778,258.50

Calculator

Solution

The third proportional to 360,569 and 778,258.50 is: 1,679,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,569 : 778,258.50 = 778,258.50 : x
  2. Step 2: Convert to fraction form
    360,569/778,258.50 = 778,258.50/x
  3. Step 3: Cross multiply
    360,569x = 778,258.50 × 778,258.50
  4. Step 4: Simplify right side
    360,569x = 605,686,292,822.25
  5. Step 5: Solve for x
    x = 605,686,292,822.25/360,569
  6. Step 6: Final answer
    x = 1,679,806.90

Related Problems

Find third proportional to 180,284.50 and 389,129.25
Half scale
Find third proportional to 721,138 and 1,556,517
Double scale
Find third proportional to 360,571 and 778,263
Similar ratio
Find third proportional to 540,853.50 and 1,167,387.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.