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Finding the Third Proportional to 678,801.75 and 1,006,460.25

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Solution

The third proportional to 678,801.75 and 1,006,460.25 is: 1,492,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,801.75 : 1,006,460.25 = 1,006,460.25 : x
  2. Step 2: Convert to fraction form
    678,801.75/1,006,460.25 = 1,006,460.25/x
  3. Step 3: Cross multiply
    678,801.75x = 1,006,460.25 × 1,006,460.25
  4. Step 4: Simplify right side
    678,801.75x = 1,012,962,234,830.06
  5. Step 5: Solve for x
    x = 1,012,962,234,830.06/678,801.75
  6. Step 6: Final answer
    x = 1,492,279.94

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.