Home / 679,131-919,047

Finding the Third Proportional to 679,131 and 919,047

Calculator

Solution

The third proportional to 679,131 and 919,047 is: 1,243,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,131 : 919,047 = 919,047 : x
  2. Step 2: Convert to fraction form
    679,131/919,047 = 919,047/x
  3. Step 3: Cross multiply
    679,131x = 919,047 × 919,047
  4. Step 4: Simplify right side
    679,131x = 844,647,388,209
  5. Step 5: Solve for x
    x = 844,647,388,209/679,131
  6. Step 6: Final answer
    x = 1,243,717.91

Related Problems

Find third proportional to 339,565.50 and 459,523.50
Half scale
Find third proportional to 1,358,262 and 1,838,094
Double scale
Find third proportional to 679,133 and 919,050
Similar ratio
Find third proportional to 1,018,696.50 and 1,378,570.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.