Home / 78,127-102,306

Finding the Third Proportional to 78,127 and 102,306

Calculator

Solution

The third proportional to 78,127 and 102,306 is: 133,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,127 : 102,306 = 102,306 : x
  2. Step 2: Convert to fraction form
    78,127/102,306 = 102,306/x
  3. Step 3: Cross multiply
    78,127x = 102,306 × 102,306
  4. Step 4: Simplify right side
    78,127x = 10,466,517,636
  5. Step 5: Solve for x
    x = 10,466,517,636/78,127
  6. Step 6: Final answer
    x = 133,968.00

Related Problems

Find third proportional to 39,063.50 and 51,153
Half scale
Find third proportional to 156,254 and 204,612
Double scale
Find third proportional to 78,129 and 102,309
Similar ratio
Find third proportional to 117,190.50 and 153,459
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.