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Finding the Third Proportional to 197,620 and 432,716

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Solution

The third proportional to 197,620 and 432,716 is: 947,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,620 : 432,716 = 432,716 : x
  2. Step 2: Convert to fraction form
    197,620/432,716 = 432,716/x
  3. Step 3: Cross multiply
    197,620x = 432,716 × 432,716
  4. Step 4: Simplify right side
    197,620x = 187,243,136,656
  5. Step 5: Solve for x
    x = 187,243,136,656/197,620
  6. Step 6: Final answer
    x = 947,490.82

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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.