Home / 109,276-237,781

Finding the Third Proportional to 109,276 and 237,781

Calculator

Solution

The third proportional to 109,276 and 237,781 is: 517,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,276 : 237,781 = 237,781 : x
  2. Step 2: Convert to fraction form
    109,276/237,781 = 237,781/x
  3. Step 3: Cross multiply
    109,276x = 237,781 × 237,781
  4. Step 4: Simplify right side
    109,276x = 56,539,803,961
  5. Step 5: Solve for x
    x = 56,539,803,961/109,276
  6. Step 6: Final answer
    x = 517,403.67

Related Problems

Find third proportional to 54,638 and 118,890.50
Half scale
Find third proportional to 218,552 and 475,562
Double scale
Find third proportional to 109,278 and 237,785
Similar ratio
Find third proportional to 163,914 and 356,671.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.