Home / 426,612-912,272

Finding the Third Proportional to 426,612 and 912,272

Calculator

Solution

The third proportional to 426,612 and 912,272 is: 1,950,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,612 : 912,272 = 912,272 : x
  2. Step 2: Convert to fraction form
    426,612/912,272 = 912,272/x
  3. Step 3: Cross multiply
    426,612x = 912,272 × 912,272
  4. Step 4: Simplify right side
    426,612x = 832,240,201,984
  5. Step 5: Solve for x
    x = 832,240,201,984/426,612
  6. Step 6: Final answer
    x = 1,950,812.92

Related Problems

Find third proportional to 213,306 and 456,136
Half scale
Find third proportional to 853,224 and 1,824,544
Double scale
Find third proportional to 426,614 and 912,276
Similar ratio
Find third proportional to 639,918 and 1,368,408
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.