Home / 315,300-476,223

Finding the Third Proportional to 315,300 and 476,223

Calculator

Solution

The third proportional to 315,300 and 476,223 is: 719,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,300 : 476,223 = 476,223 : x
  2. Step 2: Convert to fraction form
    315,300/476,223 = 476,223/x
  3. Step 3: Cross multiply
    315,300x = 476,223 × 476,223
  4. Step 4: Simplify right side
    315,300x = 226,788,345,729
  5. Step 5: Solve for x
    x = 226,788,345,729/315,300
  6. Step 6: Final answer
    x = 719,277.98

Related Problems

Find third proportional to 157,650 and 238,111.50
Half scale
Find third proportional to 630,600 and 952,446
Double scale
Find third proportional to 315,302 and 476,226
Similar ratio
Find third proportional to 472,950 and 714,334.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.