Home / 199,127-315,462

Finding the Third Proportional to 199,127 and 315,462

Calculator

Solution

The third proportional to 199,127 and 315,462 is: 499,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,127 : 315,462 = 315,462 : x
  2. Step 2: Convert to fraction form
    199,127/315,462 = 315,462/x
  3. Step 3: Cross multiply
    199,127x = 315,462 × 315,462
  4. Step 4: Simplify right side
    199,127x = 99,516,273,444
  5. Step 5: Solve for x
    x = 99,516,273,444/199,127
  6. Step 6: Final answer
    x = 499,762.83

Related Problems

Find third proportional to 99,563.50 and 157,731
Half scale
Find third proportional to 398,254 and 630,924
Double scale
Find third proportional to 199,129 and 315,465
Similar ratio
Find third proportional to 298,690.50 and 473,193
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.