Home / 549,695-840,890

Finding the Third Proportional to 549,695 and 840,890

Calculator

Solution

The third proportional to 549,695 and 840,890 is: 1,286,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,695 : 840,890 = 840,890 : x
  2. Step 2: Convert to fraction form
    549,695/840,890 = 840,890/x
  3. Step 3: Cross multiply
    549,695x = 840,890 × 840,890
  4. Step 4: Simplify right side
    549,695x = 707,095,992,100
  5. Step 5: Solve for x
    x = 707,095,992,100/549,695
  6. Step 6: Final answer
    x = 1,286,342.41

Related Problems

Find third proportional to 274,847.50 and 420,445
Half scale
Find third proportional to 1,099,390 and 1,681,780
Double scale
Find third proportional to 549,697 and 840,893
Similar ratio
Find third proportional to 824,542.50 and 1,261,335
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.