Home / 249,220-538,280

Finding the Third Proportional to 249,220 and 538,280

Calculator

Solution

The third proportional to 249,220 and 538,280 is: 1,162,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,220 : 538,280 = 538,280 : x
  2. Step 2: Convert to fraction form
    249,220/538,280 = 538,280/x
  3. Step 3: Cross multiply
    249,220x = 538,280 × 538,280
  4. Step 4: Simplify right side
    249,220x = 289,745,358,400
  5. Step 5: Solve for x
    x = 289,745,358,400/249,220
  6. Step 6: Final answer
    x = 1,162,608.77

Related Problems

Find third proportional to 124,610 and 269,140
Half scale
Find third proportional to 498,440 and 1,076,560
Double scale
Find third proportional to 249,222 and 538,284
Similar ratio
Find third proportional to 373,830 and 807,420
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.