Home / 443,299-918,129

Finding the Third Proportional to 443,299 and 918,129

Calculator

Solution

The third proportional to 443,299 and 918,129 is: 1,901,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,299 : 918,129 = 918,129 : x
  2. Step 2: Convert to fraction form
    443,299/918,129 = 918,129/x
  3. Step 3: Cross multiply
    443,299x = 918,129 × 918,129
  4. Step 4: Simplify right side
    443,299x = 842,960,860,641
  5. Step 5: Solve for x
    x = 842,960,860,641/443,299
  6. Step 6: Final answer
    x = 1,901,562.74

Related Problems

Find third proportional to 221,649.50 and 459,064.50
Half scale
Find third proportional to 886,598 and 1,836,258
Double scale
Find third proportional to 443,301 and 918,133
Similar ratio
Find third proportional to 664,948.50 and 1,377,193.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.