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Finding the Third Proportional to 1,287,715.50 and 1,748,889

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Solution

The third proportional to 1,287,715.50 and 1,748,889 is: 2,375,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,715.50 : 1,748,889 = 1,748,889 : x
  2. Step 2: Convert to fraction form
    1,287,715.50/1,748,889 = 1,748,889/x
  3. Step 3: Cross multiply
    1,287,715.50x = 1,748,889 × 1,748,889
  4. Step 4: Simplify right side
    1,287,715.50x = 3,058,612,734,321
  5. Step 5: Solve for x
    x = 3,058,612,734,321/1,287,715.50
  6. Step 6: Final answer
    x = 2,375,223.98

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.