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Finding the Third Proportional to 158,646 and 357,240

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Solution

The third proportional to 158,646 and 357,240 is: 804,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,646 : 357,240 = 357,240 : x
  2. Step 2: Convert to fraction form
    158,646/357,240 = 357,240/x
  3. Step 3: Cross multiply
    158,646x = 357,240 × 357,240
  4. Step 4: Simplify right side
    158,646x = 127,620,417,600
  5. Step 5: Solve for x
    x = 127,620,417,600/158,646
  6. Step 6: Final answer
    x = 804,435.14

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.