Home / 313,176-677,376

Finding the Third Proportional to 313,176 and 677,376

Calculator

Solution

The third proportional to 313,176 and 677,376 is: 1,465,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,176 : 677,376 = 677,376 : x
  2. Step 2: Convert to fraction form
    313,176/677,376 = 677,376/x
  3. Step 3: Cross multiply
    313,176x = 677,376 × 677,376
  4. Step 4: Simplify right side
    313,176x = 458,838,245,376
  5. Step 5: Solve for x
    x = 458,838,245,376/313,176
  6. Step 6: Final answer
    x = 1,465,113.05

Related Problems

Find third proportional to 156,588 and 338,688
Half scale
Find third proportional to 626,352 and 1,354,752
Double scale
Find third proportional to 313,178 and 677,380
Similar ratio
Find third proportional to 469,764 and 1,016,064
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.