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Finding the Third Proportional to 761,835 and 1,624,920

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Solution

The third proportional to 761,835 and 1,624,920 is: 3,465,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,835 : 1,624,920 = 1,624,920 : x
  2. Step 2: Convert to fraction form
    761,835/1,624,920 = 1,624,920/x
  3. Step 3: Cross multiply
    761,835x = 1,624,920 × 1,624,920
  4. Step 4: Simplify right side
    761,835x = 2,640,365,006,400
  5. Step 5: Solve for x
    x = 2,640,365,006,400/761,835
  6. Step 6: Final answer
    x = 3,465,796.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.