Home / 214,520-315,583

Finding the Third Proportional to 214,520 and 315,583

Calculator

Solution

The third proportional to 214,520 and 315,583 is: 464,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,520 : 315,583 = 315,583 : x
  2. Step 2: Convert to fraction form
    214,520/315,583 = 315,583/x
  3. Step 3: Cross multiply
    214,520x = 315,583 × 315,583
  4. Step 4: Simplify right side
    214,520x = 99,592,629,889
  5. Step 5: Solve for x
    x = 99,592,629,889/214,520
  6. Step 6: Final answer
    x = 464,258.02

Related Problems

Find third proportional to 107,260 and 157,791.50
Half scale
Find third proportional to 429,040 and 631,166
Double scale
Find third proportional to 214,522 and 315,586
Similar ratio
Find third proportional to 321,780 and 473,374.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.