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Finding the Third Proportional to 1,226,247 and 2,688,691

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Solution

The third proportional to 1,226,247 and 2,688,691 is: 5,895,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,247 : 2,688,691 = 2,688,691 : x
  2. Step 2: Convert to fraction form
    1,226,247/2,688,691 = 2,688,691/x
  3. Step 3: Cross multiply
    1,226,247x = 2,688,691 × 2,688,691
  4. Step 4: Simplify right side
    1,226,247x = 7,229,059,293,481
  5. Step 5: Solve for x
    x = 7,229,059,293,481/1,226,247
  6. Step 6: Final answer
    x = 5,895,271.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.