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Finding the Third Proportional to 172,631,643.75 and 369,825,738.75

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Solution

The third proportional to 172,631,643.75 and 369,825,738.75 is: 792,271,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,631,643.75 : 369,825,738.75 = 369,825,738.75 : x
  2. Step 2: Convert to fraction form
    172,631,643.75/369,825,738.75 = 369,825,738.75/x
  3. Step 3: Cross multiply
    172,631,643.75x = 369,825,738.75 × 369,825,738.75
  4. Step 4: Simplify right side
    172,631,643.75x = 136,771,077,041,983,248
  5. Step 5: Solve for x
    x = 136,771,077,041,983,248/172,631,643.75
  6. Step 6: Final answer
    x = 792,271,185.46

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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.