Home / 118,352-257,440

Finding the Third Proportional to 118,352 and 257,440

Calculator

Solution

The third proportional to 118,352 and 257,440 is: 559,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,352 : 257,440 = 257,440 : x
  2. Step 2: Convert to fraction form
    118,352/257,440 = 257,440/x
  3. Step 3: Cross multiply
    118,352x = 257,440 × 257,440
  4. Step 4: Simplify right side
    118,352x = 66,275,353,600
  5. Step 5: Solve for x
    x = 66,275,353,600/118,352
  6. Step 6: Final answer
    x = 559,985.08

Related Problems

Find third proportional to 59,176 and 128,720
Half scale
Find third proportional to 236,704 and 514,880
Double scale
Find third proportional to 118,354 and 257,444
Similar ratio
Find third proportional to 177,528 and 386,160
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.