Home / 288,292-630,888

Finding the Third Proportional to 288,292 and 630,888

Calculator

Solution

The third proportional to 288,292 and 630,888 is: 1,380,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,292 : 630,888 = 630,888 : x
  2. Step 2: Convert to fraction form
    288,292/630,888 = 630,888/x
  3. Step 3: Cross multiply
    288,292x = 630,888 × 630,888
  4. Step 4: Simplify right side
    288,292x = 398,019,668,544
  5. Step 5: Solve for x
    x = 398,019,668,544/288,292
  6. Step 6: Final answer
    x = 1,380,612.95

Related Problems

Find third proportional to 144,146 and 315,444
Half scale
Find third proportional to 576,584 and 1,261,776
Double scale
Find third proportional to 288,294 and 630,892
Similar ratio
Find third proportional to 432,438 and 946,332
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.