Home / 315,704-476,820

Finding the Third Proportional to 315,704 and 476,820

Calculator

Solution

The third proportional to 315,704 and 476,820 is: 720,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,704 : 476,820 = 476,820 : x
  2. Step 2: Convert to fraction form
    315,704/476,820 = 476,820/x
  3. Step 3: Cross multiply
    315,704x = 476,820 × 476,820
  4. Step 4: Simplify right side
    315,704x = 227,357,312,400
  5. Step 5: Solve for x
    x = 227,357,312,400/315,704
  6. Step 6: Final answer
    x = 720,159.75

Related Problems

Find third proportional to 157,852 and 238,410
Half scale
Find third proportional to 631,408 and 953,640
Double scale
Find third proportional to 315,706 and 476,823
Similar ratio
Find third proportional to 473,556 and 715,230
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.