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Finding the Third Proportional to 155,949 and 235,473

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Solution

The third proportional to 155,949 and 235,473 is: 355,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,949 : 235,473 = 235,473 : x
  2. Step 2: Convert to fraction form
    155,949/235,473 = 235,473/x
  3. Step 3: Cross multiply
    155,949x = 235,473 × 235,473
  4. Step 4: Simplify right side
    155,949x = 55,447,533,729
  5. Step 5: Solve for x
    x = 55,447,533,729/155,949
  6. Step 6: Final answer
    x = 355,549.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.