Home / 64,314-138,348

Finding the Third Proportional to 64,314 and 138,348

Calculator

Solution

The third proportional to 64,314 and 138,348 is: 297,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314 : 138,348 = 138,348 : x
  2. Step 2: Convert to fraction form
    64,314/138,348 = 138,348/x
  3. Step 3: Cross multiply
    64,314x = 138,348 × 138,348
  4. Step 4: Simplify right side
    64,314x = 19,140,169,104
  5. Step 5: Solve for x
    x = 19,140,169,104/64,314
  6. Step 6: Final answer
    x = 297,605.02

Related Problems

Find third proportional to 32,157 and 69,174
Half scale
Find third proportional to 128,628 and 276,696
Double scale
Find third proportional to 64,316 and 138,352
Similar ratio
Find third proportional to 96,471 and 207,522
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.