Home / 571,390-1,218,717

Finding the Third Proportional to 571,390 and 1,218,717

Calculator

Solution

The third proportional to 571,390 and 1,218,717 is: 2,599,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,390 : 1,218,717 = 1,218,717 : x
  2. Step 2: Convert to fraction form
    571,390/1,218,717 = 1,218,717/x
  3. Step 3: Cross multiply
    571,390x = 1,218,717 × 1,218,717
  4. Step 4: Simplify right side
    571,390x = 1,485,271,126,089
  5. Step 5: Solve for x
    x = 1,485,271,126,089/571,390
  6. Step 6: Final answer
    x = 2,599,399.93

Related Problems

Find third proportional to 285,695 and 609,358.50
Half scale
Find third proportional to 1,142,780 and 2,437,434
Double scale
Find third proportional to 571,392 and 1,218,721
Similar ratio
Find third proportional to 857,085 and 1,828,075.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.