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Finding the Third Proportional to 409,346 and 880,900

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Solution

The third proportional to 409,346 and 880,900 is: 1,895,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,346 : 880,900 = 880,900 : x
  2. Step 2: Convert to fraction form
    409,346/880,900 = 880,900/x
  3. Step 3: Cross multiply
    409,346x = 880,900 × 880,900
  4. Step 4: Simplify right side
    409,346x = 775,984,810,000
  5. Step 5: Solve for x
    x = 775,984,810,000/409,346
  6. Step 6: Final answer
    x = 1,895,669.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.