Home / 370,290-807,480

Finding the Third Proportional to 370,290 and 807,480

Calculator

Solution

The third proportional to 370,290 and 807,480 is: 1,760,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,290 : 807,480 = 807,480 : x
  2. Step 2: Convert to fraction form
    370,290/807,480 = 807,480/x
  3. Step 3: Cross multiply
    370,290x = 807,480 × 807,480
  4. Step 4: Simplify right side
    370,290x = 652,023,950,400
  5. Step 5: Solve for x
    x = 652,023,950,400/370,290
  6. Step 6: Final answer
    x = 1,760,846.77

Related Problems

Find third proportional to 185,145 and 403,740
Half scale
Find third proportional to 740,580 and 1,614,960
Double scale
Find third proportional to 370,292 and 807,484
Similar ratio
Find third proportional to 555,435 and 1,211,220
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.