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Finding the Third Proportional to 155,659 and 233,490

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Solution

The third proportional to 155,659 and 233,490 is: 350,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,659 : 233,490 = 233,490 : x
  2. Step 2: Convert to fraction form
    155,659/233,490 = 233,490/x
  3. Step 3: Cross multiply
    155,659x = 233,490 × 233,490
  4. Step 4: Simplify right side
    155,659x = 54,517,580,100
  5. Step 5: Solve for x
    x = 54,517,580,100/155,659
  6. Step 6: Final answer
    x = 350,237.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.