Home / 210,140-315,426

Finding the Third Proportional to 210,140 and 315,426

Calculator

Solution

The third proportional to 210,140 and 315,426 is: 473,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,140 : 315,426 = 315,426 : x
  2. Step 2: Convert to fraction form
    210,140/315,426 = 315,426/x
  3. Step 3: Cross multiply
    210,140x = 315,426 × 315,426
  4. Step 4: Simplify right side
    210,140x = 99,493,561,476
  5. Step 5: Solve for x
    x = 99,493,561,476/210,140
  6. Step 6: Final answer
    x = 473,463.22

Related Problems

Find third proportional to 105,070 and 157,713
Half scale
Find third proportional to 420,280 and 630,852
Double scale
Find third proportional to 210,142 and 315,429
Similar ratio
Find third proportional to 315,210 and 473,139
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.