Home / 118,490-256,663

Finding the Third Proportional to 118,490 and 256,663

Calculator

Solution

The third proportional to 118,490 and 256,663 is: 555,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,490 : 256,663 = 256,663 : x
  2. Step 2: Convert to fraction form
    118,490/256,663 = 256,663/x
  3. Step 3: Cross multiply
    118,490x = 256,663 × 256,663
  4. Step 4: Simplify right side
    118,490x = 65,875,895,569
  5. Step 5: Solve for x
    x = 65,875,895,569/118,490
  6. Step 6: Final answer
    x = 555,961.65

Related Problems

Find third proportional to 59,245 and 128,331.50
Half scale
Find third proportional to 236,980 and 513,326
Double scale
Find third proportional to 118,492 and 256,667
Similar ratio
Find third proportional to 177,735 and 384,994.50
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.