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Finding the Third Proportional to 918,076.50 and 1,988,613

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Solution

The third proportional to 918,076.50 and 1,988,613 is: 4,307,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,076.50 : 1,988,613 = 1,988,613 : x
  2. Step 2: Convert to fraction form
    918,076.50/1,988,613 = 1,988,613/x
  3. Step 3: Cross multiply
    918,076.50x = 1,988,613 × 1,988,613
  4. Step 4: Simplify right side
    918,076.50x = 3,954,581,663,769
  5. Step 5: Solve for x
    x = 3,954,581,663,769/918,076.50
  6. Step 6: Final answer
    x = 4,307,464.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.