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Finding the Third Proportional to 1,127,745 and 2,431,539

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Solution

The third proportional to 1,127,745 and 2,431,539 is: 5,242,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,745 : 2,431,539 = 2,431,539 : x
  2. Step 2: Convert to fraction form
    1,127,745/2,431,539 = 2,431,539/x
  3. Step 3: Cross multiply
    1,127,745x = 2,431,539 × 2,431,539
  4. Step 4: Simplify right side
    1,127,745x = 5,912,381,908,521
  5. Step 5: Solve for x
    x = 5,912,381,908,521/1,127,745
  6. Step 6: Final answer
    x = 5,242,658.50

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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.