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Finding the Third Proportional to 215,262 and 469,275.75

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Solution

The third proportional to 215,262 and 469,275.75 is: 1,023,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,262 : 469,275.75 = 469,275.75 : x
  2. Step 2: Convert to fraction form
    215,262/469,275.75 = 469,275.75/x
  3. Step 3: Cross multiply
    215,262x = 469,275.75 × 469,275.75
  4. Step 4: Simplify right side
    215,262x = 220,219,729,538.06
  5. Step 5: Solve for x
    x = 220,219,729,538.06/215,262
  6. Step 6: Final answer
    x = 1,023,031.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.