Home / 988,507-2,158,289

Finding the Third Proportional to 988,507 and 2,158,289

Calculator

Solution

The third proportional to 988,507 and 2,158,289 is: 4,712,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,507 : 2,158,289 = 2,158,289 : x
  2. Step 2: Convert to fraction form
    988,507/2,158,289 = 2,158,289/x
  3. Step 3: Cross multiply
    988,507x = 2,158,289 × 2,158,289
  4. Step 4: Simplify right side
    988,507x = 4,658,211,407,521
  5. Step 5: Solve for x
    x = 4,658,211,407,521/988,507
  6. Step 6: Final answer
    x = 4,712,370.68

Related Problems

Find third proportional to 494,253.50 and 1,079,144.50
Half scale
Find third proportional to 1,977,014 and 4,316,578
Double scale
Find third proportional to 988,509 and 2,158,293
Similar ratio
Find third proportional to 1,482,760.50 and 3,237,433.50
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.