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Finding the Third Proportional to 709,462 and 1,576,387

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Solution

The third proportional to 709,462 and 1,576,387 is: 3,502,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,462 : 1,576,387 = 1,576,387 : x
  2. Step 2: Convert to fraction form
    709,462/1,576,387 = 1,576,387/x
  3. Step 3: Cross multiply
    709,462x = 1,576,387 × 1,576,387
  4. Step 4: Simplify right side
    709,462x = 2,484,995,973,769
  5. Step 5: Solve for x
    x = 2,484,995,973,769/709,462
  6. Step 6: Final answer
    x = 3,502,648.45

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.