Home / 489,334-715,118

Finding the Third Proportional to 489,334 and 715,118

Calculator

Solution

The third proportional to 489,334 and 715,118 is: 1,045,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,334 : 715,118 = 715,118 : x
  2. Step 2: Convert to fraction form
    489,334/715,118 = 715,118/x
  3. Step 3: Cross multiply
    489,334x = 715,118 × 715,118
  4. Step 4: Simplify right side
    489,334x = 511,393,753,924
  5. Step 5: Solve for x
    x = 511,393,753,924/489,334
  6. Step 6: Final answer
    x = 1,045,081.18

Related Problems

Find third proportional to 244,667 and 357,559
Half scale
Find third proportional to 978,668 and 1,430,236
Double scale
Find third proportional to 489,336 and 715,121
Similar ratio
Find third proportional to 734,001 and 1,072,677
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.