Home / 279,076-445,541

Finding the Third Proportional to 279,076 and 445,541

Calculator

Solution

The third proportional to 279,076 and 445,541 is: 711,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,076 : 445,541 = 445,541 : x
  2. Step 2: Convert to fraction form
    279,076/445,541 = 445,541/x
  3. Step 3: Cross multiply
    279,076x = 445,541 × 445,541
  4. Step 4: Simplify right side
    279,076x = 198,506,782,681
  5. Step 5: Solve for x
    x = 198,506,782,681/279,076
  6. Step 6: Final answer
    x = 711,300.09

Related Problems

Find third proportional to 139,538 and 222,770.50
Half scale
Find third proportional to 558,152 and 891,082
Double scale
Find third proportional to 279,078 and 445,544
Similar ratio
Find third proportional to 418,614 and 668,311.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.