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Finding the Third Proportional to 410,646 and 878,026.50

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Solution

The third proportional to 410,646 and 878,026.50 is: 1,877,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,646 : 878,026.50 = 878,026.50 : x
  2. Step 2: Convert to fraction form
    410,646/878,026.50 = 878,026.50/x
  3. Step 3: Cross multiply
    410,646x = 878,026.50 × 878,026.50
  4. Step 4: Simplify right side
    410,646x = 770,930,534,702.25
  5. Step 5: Solve for x
    x = 770,930,534,702.25/410,646
  6. Step 6: Final answer
    x = 1,877,360.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.