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Finding the Third Proportional to 987,763.50 and 2,154,999

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Solution

The third proportional to 987,763.50 and 2,154,999 is: 4,701,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,763.50 : 2,154,999 = 2,154,999 : x
  2. Step 2: Convert to fraction form
    987,763.50/2,154,999 = 2,154,999/x
  3. Step 3: Cross multiply
    987,763.50x = 2,154,999 × 2,154,999
  4. Step 4: Simplify right side
    987,763.50x = 4,644,020,690,001
  5. Step 5: Solve for x
    x = 4,644,020,690,001/987,763.50
  6. Step 6: Final answer
    x = 4,701,551.22

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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.