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Finding the Third Proportional to 239,610,739.50 and 342,409,979

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Solution

The third proportional to 239,610,739.50 and 342,409,979 is: 489,312,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,610,739.50 : 342,409,979 = 342,409,979 : x
  2. Step 2: Convert to fraction form
    239,610,739.50/342,409,979 = 342,409,979/x
  3. Step 3: Cross multiply
    239,610,739.50x = 342,409,979 × 342,409,979
  4. Step 4: Simplify right side
    239,610,739.50x = 117,244,593,718,780,448
  5. Step 5: Solve for x
    x = 117,244,593,718,780,448/239,610,739.50
  6. Step 6: Final answer
    x = 489,312,766.04

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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.