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Finding the Third Proportional to 670,629 and 1,455,576

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Solution

The third proportional to 670,629 and 1,455,576 is: 3,159,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,629 : 1,455,576 = 1,455,576 : x
  2. Step 2: Convert to fraction form
    670,629/1,455,576 = 1,455,576/x
  3. Step 3: Cross multiply
    670,629x = 1,455,576 × 1,455,576
  4. Step 4: Simplify right side
    670,629x = 2,118,701,491,776
  5. Step 5: Solve for x
    x = 2,118,701,491,776/670,629
  6. Step 6: Final answer
    x = 3,159,275.09

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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.