Home / 357,044-489,588

Finding the Third Proportional to 357,044 and 489,588

Calculator

Solution

The third proportional to 357,044 and 489,588 is: 671,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,044 : 489,588 = 489,588 : x
  2. Step 2: Convert to fraction form
    357,044/489,588 = 489,588/x
  3. Step 3: Cross multiply
    357,044x = 489,588 × 489,588
  4. Step 4: Simplify right side
    357,044x = 239,696,409,744
  5. Step 5: Solve for x
    x = 239,696,409,744/357,044
  6. Step 6: Final answer
    x = 671,335.77

Related Problems

Find third proportional to 178,522 and 244,794
Half scale
Find third proportional to 714,088 and 979,176
Double scale
Find third proportional to 357,046 and 489,591
Similar ratio
Find third proportional to 535,566 and 734,382
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.