Home / 64,368-84,840

Finding the Third Proportional to 64,368 and 84,840

Calculator

Solution

The third proportional to 64,368 and 84,840 is: 111,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368 : 84,840 = 84,840 : x
  2. Step 2: Convert to fraction form
    64,368/84,840 = 84,840/x
  3. Step 3: Cross multiply
    64,368x = 84,840 × 84,840
  4. Step 4: Simplify right side
    64,368x = 7,197,825,600
  5. Step 5: Solve for x
    x = 7,197,825,600/64,368
  6. Step 6: Final answer
    x = 111,823.04

Related Problems

Find third proportional to 32,184 and 42,420
Half scale
Find third proportional to 128,736 and 169,680
Double scale
Find third proportional to 64,370 and 84,843
Similar ratio
Find third proportional to 96,552 and 127,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.