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Finding the Third Proportional to 155,427 and 247,152.94

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Solution

The third proportional to 155,427 and 247,152.94 is: 393,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,427 : 247,152.94 = 247,152.94 : x
  2. Step 2: Convert to fraction form
    155,427/247,152.94 = 247,152.94/x
  3. Step 3: Cross multiply
    155,427x = 247,152.94 × 247,152.94
  4. Step 4: Simplify right side
    155,427x = 61,084,574,514.88
  5. Step 5: Solve for x
    x = 61,084,574,514.88/155,427
  6. Step 6: Final answer
    x = 393,011.35

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.