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Finding the Third Proportional to 395,264,418 and 858,572,220

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Solution

The third proportional to 395,264,418 and 858,572,220 is: 1,864,944,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,264,418 : 858,572,220 = 858,572,220 : x
  2. Step 2: Convert to fraction form
    395,264,418/858,572,220 = 858,572,220/x
  3. Step 3: Cross multiply
    395,264,418x = 858,572,220 × 858,572,220
  4. Step 4: Simplify right side
    395,264,418x = 737,146,256,955,728,384
  5. Step 5: Solve for x
    x = 737,146,256,955,728,384/395,264,418
  6. Step 6: Final answer
    x = 1,864,944,638.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.