Home / 188,426-409,572

Finding the Third Proportional to 188,426 and 409,572

Calculator

Solution

The third proportional to 188,426 and 409,572 is: 890,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,426 : 409,572 = 409,572 : x
  2. Step 2: Convert to fraction form
    188,426/409,572 = 409,572/x
  3. Step 3: Cross multiply
    188,426x = 409,572 × 409,572
  4. Step 4: Simplify right side
    188,426x = 167,749,223,184
  5. Step 5: Solve for x
    x = 167,749,223,184/188,426
  6. Step 6: Final answer
    x = 890,265.80

Related Problems

Find third proportional to 94,213 and 204,786
Half scale
Find third proportional to 376,852 and 819,144
Double scale
Find third proportional to 188,428 and 409,576
Similar ratio
Find third proportional to 282,639 and 614,358
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.