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Finding the Third Proportional to 1,725,985.69 and 2,588,978.53

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Solution

The third proportional to 1,725,985.69 and 2,588,978.53 is: 3,883,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,985.69 : 2,588,978.53 = 2,588,978.53 : x
  2. Step 2: Convert to fraction form
    1,725,985.69/2,588,978.53 = 2,588,978.53/x
  3. Step 3: Cross multiply
    1,725,985.69x = 2,588,978.53 × 2,588,978.53
  4. Step 4: Simplify right side
    1,725,985.69x = 6,702,809,835,273.41
  5. Step 5: Solve for x
    x = 6,702,809,835,273.41/1,725,985.69
  6. Step 6: Final answer
    x = 3,883,467.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.