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Finding the Third Proportional to 1,240,461.84 and 2,631,484.97

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Solution

The third proportional to 1,240,461.84 and 2,631,484.97 is: 5,582,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,461.84 : 2,631,484.97 = 2,631,484.97 : x
  2. Step 2: Convert to fraction form
    1,240,461.84/2,631,484.97 = 2,631,484.97/x
  3. Step 3: Cross multiply
    1,240,461.84x = 2,631,484.97 × 2,631,484.97
  4. Step 4: Simplify right side
    1,240,461.84x = 6,924,713,140,757.19
  5. Step 5: Solve for x
    x = 6,924,713,140,757.19/1,240,461.84
  6. Step 6: Final answer
    x = 5,582,366.90

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.