Home / 210,708-330,181.50

Finding the Third Proportional to 210,708 and 330,181.50

Calculator

Solution

The third proportional to 210,708 and 330,181.50 is: 517,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,708 : 330,181.50 = 330,181.50 : x
  2. Step 2: Convert to fraction form
    210,708/330,181.50 = 330,181.50/x
  3. Step 3: Cross multiply
    210,708x = 330,181.50 × 330,181.50
  4. Step 4: Simplify right side
    210,708x = 109,019,822,942.25
  5. Step 5: Solve for x
    x = 109,019,822,942.25/210,708
  6. Step 6: Final answer
    x = 517,397.64

Related Problems

Find third proportional to 105,354 and 165,090.75
Half scale
Find third proportional to 421,416 and 660,363
Double scale
Find third proportional to 210,710 and 330,185
Similar ratio
Find third proportional to 316,062 and 495,272.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.