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Finding the Third Proportional to 799,956 and 1,689,840

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Solution

The third proportional to 799,956 and 1,689,840 is: 3,569,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,956 : 1,689,840 = 1,689,840 : x
  2. Step 2: Convert to fraction form
    799,956/1,689,840 = 1,689,840/x
  3. Step 3: Cross multiply
    799,956x = 1,689,840 × 1,689,840
  4. Step 4: Simplify right side
    799,956x = 2,855,559,225,600
  5. Step 5: Solve for x
    x = 2,855,559,225,600/799,956
  6. Step 6: Final answer
    x = 3,569,645.36

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.