Home / 415,912-851,497

Finding the Third Proportional to 415,912 and 851,497

Calculator

Solution

The third proportional to 415,912 and 851,497 is: 1,743,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,912 : 851,497 = 851,497 : x
  2. Step 2: Convert to fraction form
    415,912/851,497 = 851,497/x
  3. Step 3: Cross multiply
    415,912x = 851,497 × 851,497
  4. Step 4: Simplify right side
    415,912x = 725,047,141,009
  5. Step 5: Solve for x
    x = 725,047,141,009/415,912
  6. Step 6: Final answer
    x = 1,743,270.55

Related Problems

Find third proportional to 207,956 and 425,748.50
Half scale
Find third proportional to 831,824 and 1,702,994
Double scale
Find third proportional to 415,914 and 851,501
Similar ratio
Find third proportional to 623,868 and 1,277,245.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.