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Finding the Third Proportional to 159,470 and 248,909

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Solution

The third proportional to 159,470 and 248,909 is: 388,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,470 : 248,909 = 248,909 : x
  2. Step 2: Convert to fraction form
    159,470/248,909 = 248,909/x
  3. Step 3: Cross multiply
    159,470x = 248,909 × 248,909
  4. Step 4: Simplify right side
    159,470x = 61,955,690,281
  5. Step 5: Solve for x
    x = 61,955,690,281/159,470
  6. Step 6: Final answer
    x = 388,510.00

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.