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Finding the Third Proportional to 407,625.75 and 877,581

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Solution

The third proportional to 407,625.75 and 877,581 is: 1,889,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,625.75 : 877,581 = 877,581 : x
  2. Step 2: Convert to fraction form
    407,625.75/877,581 = 877,581/x
  3. Step 3: Cross multiply
    407,625.75x = 877,581 × 877,581
  4. Step 4: Simplify right side
    407,625.75x = 770,148,411,561
  5. Step 5: Solve for x
    x = 770,148,411,561/407,625.75
  6. Step 6: Final answer
    x = 1,889,351.72

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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.