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Finding the Third Proportional to 518,131,858 and 740,934,248

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Solution

The third proportional to 518,131,858 and 740,934,248 is: 1,059,544,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,131,858 : 740,934,248 = 740,934,248 : x
  2. Step 2: Convert to fraction form
    518,131,858/740,934,248 = 740,934,248/x
  3. Step 3: Cross multiply
    518,131,858x = 740,934,248 × 740,934,248
  4. Step 4: Simplify right side
    518,131,858x = 548,983,559,859,325,504
  5. Step 5: Solve for x
    x = 548,983,559,859,325,504/518,131,858
  6. Step 6: Final answer
    x = 1,059,544,112.92

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.