Home / 47,409-63,615

Finding the Third Proportional to 47,409 and 63,615

Calculator

Solution

The third proportional to 47,409 and 63,615 is: 85,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409 : 63,615 = 63,615 : x
  2. Step 2: Convert to fraction form
    47,409/63,615 = 63,615/x
  3. Step 3: Cross multiply
    47,409x = 63,615 × 63,615
  4. Step 4: Simplify right side
    47,409x = 4,046,868,225
  5. Step 5: Solve for x
    x = 4,046,868,225/47,409
  6. Step 6: Final answer
    x = 85,360.76

Related Problems

Find third proportional to 23,704.50 and 31,807.50
Half scale
Find third proportional to 94,818 and 127,230
Double scale
Find third proportional to 47,411 and 63,618
Similar ratio
Find third proportional to 71,113.50 and 95,422.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.