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Finding the Third Proportional to 511,942 and 1,117,191.50

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Solution

The third proportional to 511,942 and 1,117,191.50 is: 2,438,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,942 : 1,117,191.50 = 1,117,191.50 : x
  2. Step 2: Convert to fraction form
    511,942/1,117,191.50 = 1,117,191.50/x
  3. Step 3: Cross multiply
    511,942x = 1,117,191.50 × 1,117,191.50
  4. Step 4: Simplify right side
    511,942x = 1,248,116,847,672.25
  5. Step 5: Solve for x
    x = 1,248,116,847,672.25/511,942
  6. Step 6: Final answer
    x = 2,438,004.40

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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.