Home / 287,042-613,348

Finding the Third Proportional to 287,042 and 613,348

Calculator

Solution

The third proportional to 287,042 and 613,348 is: 1,310,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,042 : 613,348 = 613,348 : x
  2. Step 2: Convert to fraction form
    287,042/613,348 = 613,348/x
  3. Step 3: Cross multiply
    287,042x = 613,348 × 613,348
  4. Step 4: Simplify right side
    287,042x = 376,195,769,104
  5. Step 5: Solve for x
    x = 376,195,769,104/287,042
  6. Step 6: Final answer
    x = 1,310,594.86

Related Problems

Find third proportional to 143,521 and 306,674
Half scale
Find third proportional to 574,084 and 1,226,696
Double scale
Find third proportional to 287,044 and 613,352
Similar ratio
Find third proportional to 430,563 and 920,022
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.