Home / 21,186-45,658

Finding the Third Proportional to 21,186 and 45,658

Calculator

Solution

The third proportional to 21,186 and 45,658 is: 98,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186 : 45,658 = 45,658 : x
  2. Step 2: Convert to fraction form
    21,186/45,658 = 45,658/x
  3. Step 3: Cross multiply
    21,186x = 45,658 × 45,658
  4. Step 4: Simplify right side
    21,186x = 2,084,652,964
  5. Step 5: Solve for x
    x = 2,084,652,964/21,186
  6. Step 6: Final answer
    x = 98,397.67

Related Problems

Find third proportional to 10,593 and 22,829
Half scale
Find third proportional to 42,372 and 91,316
Double scale
Find third proportional to 21,188 and 45,662
Similar ratio
Find third proportional to 31,779 and 68,487
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.