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Finding the Third Proportional to 409,458.75 and 885,985.50

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Solution

The third proportional to 409,458.75 and 885,985.50 is: 1,917,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,458.75 : 885,985.50 = 885,985.50 : x
  2. Step 2: Convert to fraction form
    409,458.75/885,985.50 = 885,985.50/x
  3. Step 3: Cross multiply
    409,458.75x = 885,985.50 × 885,985.50
  4. Step 4: Simplify right side
    409,458.75x = 784,970,306,210.25
  5. Step 5: Solve for x
    x = 784,970,306,210.25/409,458.75
  6. Step 6: Final answer
    x = 1,917,092.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.