Home / 360,300-782,135.50

Finding the Third Proportional to 360,300 and 782,135.50

Calculator

Solution

The third proportional to 360,300 and 782,135.50 is: 1,697,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,300 : 782,135.50 = 782,135.50 : x
  2. Step 2: Convert to fraction form
    360,300/782,135.50 = 782,135.50/x
  3. Step 3: Cross multiply
    360,300x = 782,135.50 × 782,135.50
  4. Step 4: Simplify right side
    360,300x = 611,735,940,360.25
  5. Step 5: Solve for x
    x = 611,735,940,360.25/360,300
  6. Step 6: Final answer
    x = 1,697,851.62

Related Problems

Find third proportional to 180,150 and 391,067.75
Half scale
Find third proportional to 720,600 and 1,564,271
Double scale
Find third proportional to 360,302 and 782,140
Similar ratio
Find third proportional to 540,450 and 1,173,203.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.