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Finding the Third Proportional to 172,631,638.50 and 369,825,727.50

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Solution

The third proportional to 172,631,638.50 and 369,825,727.50 is: 792,271,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,631,638.50 : 369,825,727.50 = 369,825,727.50 : x
  2. Step 2: Convert to fraction form
    172,631,638.50/369,825,727.50 = 369,825,727.50/x
  3. Step 3: Cross multiply
    172,631,638.50x = 369,825,727.50 × 369,825,727.50
  4. Step 4: Simplify right side
    172,631,638.50x = 136,771,068,720,904,256
  5. Step 5: Solve for x
    x = 136,771,068,720,904,256/172,631,638.50
  6. Step 6: Final answer
    x = 792,271,161.35

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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.