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Finding the Third Proportional to 421,652 and 926,248

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Solution

The third proportional to 421,652 and 926,248 is: 2,034,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,652 : 926,248 = 926,248 : x
  2. Step 2: Convert to fraction form
    421,652/926,248 = 926,248/x
  3. Step 3: Cross multiply
    421,652x = 926,248 × 926,248
  4. Step 4: Simplify right side
    421,652x = 857,935,357,504
  5. Step 5: Solve for x
    x = 857,935,357,504/421,652
  6. Step 6: Final answer
    x = 2,034,700.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.