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Finding the Third Proportional to 1,429,721.25 and 2,228,985

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Solution

The third proportional to 1,429,721.25 and 2,228,985 is: 3,475,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,721.25 : 2,228,985 = 2,228,985 : x
  2. Step 2: Convert to fraction form
    1,429,721.25/2,228,985 = 2,228,985/x
  3. Step 3: Cross multiply
    1,429,721.25x = 2,228,985 × 2,228,985
  4. Step 4: Simplify right side
    1,429,721.25x = 4,968,374,130,225
  5. Step 5: Solve for x
    x = 4,968,374,130,225/1,429,721.25
  6. Step 6: Final answer
    x = 3,475,064.90

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.