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Finding the Third Proportional to 761,280 and 1,653,744

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Solution

The third proportional to 761,280 and 1,653,744 is: 3,592,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,280 : 1,653,744 = 1,653,744 : x
  2. Step 2: Convert to fraction form
    761,280/1,653,744 = 1,653,744/x
  3. Step 3: Cross multiply
    761,280x = 1,653,744 × 1,653,744
  4. Step 4: Simplify right side
    761,280x = 2,734,869,217,536
  5. Step 5: Solve for x
    x = 2,734,869,217,536/761,280
  6. Step 6: Final answer
    x = 3,592,461.67

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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.