Home / 257,058-537,390

Finding the Third Proportional to 257,058 and 537,390

Calculator

Solution

The third proportional to 257,058 and 537,390 is: 1,123,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,058 : 537,390 = 537,390 : x
  2. Step 2: Convert to fraction form
    257,058/537,390 = 537,390/x
  3. Step 3: Cross multiply
    257,058x = 537,390 × 537,390
  4. Step 4: Simplify right side
    257,058x = 288,788,012,100
  5. Step 5: Solve for x
    x = 288,788,012,100/257,058
  6. Step 6: Final answer
    x = 1,123,435.23

Related Problems

Find third proportional to 128,529 and 268,695
Half scale
Find third proportional to 514,116 and 1,074,780
Double scale
Find third proportional to 257,060 and 537,394
Similar ratio
Find third proportional to 385,587 and 806,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.