Home / 840,456-1,208,169

Finding the Third Proportional to 840,456 and 1,208,169

Calculator

Solution

The third proportional to 840,456 and 1,208,169 is: 1,736,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,456 : 1,208,169 = 1,208,169 : x
  2. Step 2: Convert to fraction form
    840,456/1,208,169 = 1,208,169/x
  3. Step 3: Cross multiply
    840,456x = 1,208,169 × 1,208,169
  4. Step 4: Simplify right side
    840,456x = 1,459,672,332,561
  5. Step 5: Solve for x
    x = 1,459,672,332,561/840,456
  6. Step 6: Final answer
    x = 1,736,762.34

Related Problems

Find third proportional to 420,228 and 604,084.50
Half scale
Find third proportional to 1,680,912 and 2,416,338
Double scale
Find third proportional to 840,458 and 1,208,172
Similar ratio
Find third proportional to 1,260,684 and 1,812,253.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.