Home / 302,810-657,135

Finding the Third Proportional to 302,810 and 657,135

Calculator

Solution

The third proportional to 302,810 and 657,135 is: 1,426,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,810 : 657,135 = 657,135 : x
  2. Step 2: Convert to fraction form
    302,810/657,135 = 657,135/x
  3. Step 3: Cross multiply
    302,810x = 657,135 × 657,135
  4. Step 4: Simplify right side
    302,810x = 431,826,408,225
  5. Step 5: Solve for x
    x = 431,826,408,225/302,810
  6. Step 6: Final answer
    x = 1,426,063.90

Related Problems

Find third proportional to 151,405 and 328,567.50
Half scale
Find third proportional to 605,620 and 1,314,270
Double scale
Find third proportional to 302,812 and 657,139
Similar ratio
Find third proportional to 454,215 and 985,702.50
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.