Home / 42,386-56,246

Finding the Third Proportional to 42,386 and 56,246

Calculator

Solution

The third proportional to 42,386 and 56,246 is: 74,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386 : 56,246 = 56,246 : x
  2. Step 2: Convert to fraction form
    42,386/56,246 = 56,246/x
  3. Step 3: Cross multiply
    42,386x = 56,246 × 56,246
  4. Step 4: Simplify right side
    42,386x = 3,163,612,516
  5. Step 5: Solve for x
    x = 3,163,612,516/42,386
  6. Step 6: Final answer
    x = 74,638.15

Related Problems

Find third proportional to 21,193 and 28,123
Half scale
Find third proportional to 84,772 and 112,492
Double scale
Find third proportional to 42,388 and 56,249
Similar ratio
Find third proportional to 63,579 and 84,369
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.