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Finding the Third Proportional to 251,386 and 542,132

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Solution

The third proportional to 251,386 and 542,132 is: 1,169,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,386 : 542,132 = 542,132 : x
  2. Step 2: Convert to fraction form
    251,386/542,132 = 542,132/x
  3. Step 3: Cross multiply
    251,386x = 542,132 × 542,132
  4. Step 4: Simplify right side
    251,386x = 293,907,105,424
  5. Step 5: Solve for x
    x = 293,907,105,424/251,386
  6. Step 6: Final answer
    x = 1,169,146.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.