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Finding the Third Proportional to 155,553 and 332,429

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Solution

The third proportional to 155,553 and 332,429 is: 710,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,553 : 332,429 = 332,429 : x
  2. Step 2: Convert to fraction form
    155,553/332,429 = 332,429/x
  3. Step 3: Cross multiply
    155,553x = 332,429 × 332,429
  4. Step 4: Simplify right side
    155,553x = 110,509,040,041
  5. Step 5: Solve for x
    x = 110,509,040,041/155,553
  6. Step 6: Final answer
    x = 710,426.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.