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Finding the Third Proportional to 199,946 and 430,996

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Solution

The third proportional to 199,946 and 430,996 is: 929,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,946 : 430,996 = 430,996 : x
  2. Step 2: Convert to fraction form
    199,946/430,996 = 430,996/x
  3. Step 3: Cross multiply
    199,946x = 430,996 × 430,996
  4. Step 4: Simplify right side
    199,946x = 185,757,552,016
  5. Step 5: Solve for x
    x = 185,757,552,016/199,946
  6. Step 6: Final answer
    x = 929,038.60

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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.