Home / 357,921-771,885

Finding the Third Proportional to 357,921 and 771,885

Calculator

Solution

The third proportional to 357,921 and 771,885 is: 1,664,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,921 : 771,885 = 771,885 : x
  2. Step 2: Convert to fraction form
    357,921/771,885 = 771,885/x
  3. Step 3: Cross multiply
    357,921x = 771,885 × 771,885
  4. Step 4: Simplify right side
    357,921x = 595,806,453,225
  5. Step 5: Solve for x
    x = 595,806,453,225/357,921
  6. Step 6: Final answer
    x = 1,664,631.17

Related Problems

Find third proportional to 178,960.50 and 385,942.50
Half scale
Find third proportional to 715,842 and 1,543,770
Double scale
Find third proportional to 357,923 and 771,889
Similar ratio
Find third proportional to 536,881.50 and 1,157,827.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.