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Finding the Third Proportional to 197,271 and 431,455.88

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Solution

The third proportional to 197,271 and 431,455.88 is: 943,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,271 : 431,455.88 = 431,455.88 : x
  2. Step 2: Convert to fraction form
    197,271/431,455.88 = 431,455.88/x
  3. Step 3: Cross multiply
    197,271x = 431,455.88 × 431,455.88
  4. Step 4: Simplify right side
    197,271x = 186,154,172,072.02
  5. Step 5: Solve for x
    x = 186,154,172,072.02/197,271
  6. Step 6: Final answer
    x = 943,646.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.