Home / 7,509,869-15,417,859

Finding the Third Proportional to 7,509,869 and 15,417,859

Calculator

Solution

The third proportional to 7,509,869 and 15,417,859 is: 31,653,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509,869 : 15,417,859 = 15,417,859 : x
  2. Step 2: Convert to fraction form
    7,509,869/15,417,859 = 15,417,859/x
  3. Step 3: Cross multiply
    7,509,869x = 15,417,859 × 15,417,859
  4. Step 4: Simplify right side
    7,509,869x = 237,710,376,143,881
  5. Step 5: Solve for x
    x = 237,710,376,143,881/7,509,869
  6. Step 6: Final answer
    x = 31,653,065.61

Related Problems

Find third proportional to 3,754,934.50 and 7,708,929.50
Half scale
Find third proportional to 15,019,738 and 30,835,718
Double scale
Find third proportional to 7,509,871 and 15,417,863
Similar ratio
Find third proportional to 11,264,803.50 and 23,126,788.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.