Home / 194,717-420,574

Finding the Third Proportional to 194,717 and 420,574

Calculator

Solution

The third proportional to 194,717 and 420,574 is: 908,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,717 : 420,574 = 420,574 : x
  2. Step 2: Convert to fraction form
    194,717/420,574 = 420,574/x
  3. Step 3: Cross multiply
    194,717x = 420,574 × 420,574
  4. Step 4: Simplify right side
    194,717x = 176,882,489,476
  5. Step 5: Solve for x
    x = 176,882,489,476/194,717
  6. Step 6: Final answer
    x = 908,408.05

Related Problems

Find third proportional to 97,358.50 and 210,287
Half scale
Find third proportional to 389,434 and 841,148
Double scale
Find third proportional to 194,719 and 420,578
Similar ratio
Find third proportional to 292,075.50 and 630,861
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.