Home / 313,077-670,428

Finding the Third Proportional to 313,077 and 670,428

Calculator

Solution

The third proportional to 313,077 and 670,428 is: 1,435,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,077 : 670,428 = 670,428 : x
  2. Step 2: Convert to fraction form
    313,077/670,428 = 670,428/x
  3. Step 3: Cross multiply
    313,077x = 670,428 × 670,428
  4. Step 4: Simplify right side
    313,077x = 449,473,703,184
  5. Step 5: Solve for x
    x = 449,473,703,184/313,077
  6. Step 6: Final answer
    x = 1,435,665.04

Related Problems

Find third proportional to 156,538.50 and 335,214
Half scale
Find third proportional to 626,154 and 1,340,856
Double scale
Find third proportional to 313,079 and 670,432
Similar ratio
Find third proportional to 469,615.50 and 1,005,642
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.