Home / 209,760,061.50-317,551,718.25

Finding the Third Proportional to 209,760,061.50 and 317,551,718.25

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Solution

The third proportional to 209,760,061.50 and 317,551,718.25 is: 480,735,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,760,061.50 : 317,551,718.25 = 317,551,718.25 : x
  2. Step 2: Convert to fraction form
    209,760,061.50/317,551,718.25 = 317,551,718.25/x
  3. Step 3: Cross multiply
    209,760,061.50x = 317,551,718.25 × 317,551,718.25
  4. Step 4: Simplify right side
    209,760,061.50x = 100,839,093,763,527,376
  5. Step 5: Solve for x
    x = 100,839,093,763,527,376/209,760,061.50
  6. Step 6: Final answer
    x = 480,735,431.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.