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Finding the Third Proportional to 178,819,970 and 273,362,403

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Solution

The third proportional to 178,819,970 and 273,362,403 is: 417,889,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,819,970 : 273,362,403 = 273,362,403 : x
  2. Step 2: Convert to fraction form
    178,819,970/273,362,403 = 273,362,403/x
  3. Step 3: Cross multiply
    178,819,970x = 273,362,403 × 273,362,403
  4. Step 4: Simplify right side
    178,819,970x = 74,727,003,373,934,416
  5. Step 5: Solve for x
    x = 74,727,003,373,934,416/178,819,970
  6. Step 6: Final answer
    x = 417,889,586.79

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.