Home / 851,388-1,280,657.25

Finding the Third Proportional to 851,388 and 1,280,657.25

Calculator

Solution

The third proportional to 851,388 and 1,280,657.25 is: 1,926,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,388 : 1,280,657.25 = 1,280,657.25 : x
  2. Step 2: Convert to fraction form
    851,388/1,280,657.25 = 1,280,657.25/x
  3. Step 3: Cross multiply
    851,388x = 1,280,657.25 × 1,280,657.25
  4. Step 4: Simplify right side
    851,388x = 1,640,082,991,977.56
  5. Step 5: Solve for x
    x = 1,640,082,991,977.56/851,388
  6. Step 6: Final answer
    x = 1,926,363.76

Related Problems

Find third proportional to 425,694 and 640,328.63
Half scale
Find third proportional to 1,702,776 and 2,561,314.50
Double scale
Find third proportional to 851,390 and 1,280,660
Similar ratio
Find third proportional to 1,277,082 and 1,920,985.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.