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Finding the Third Proportional to 822,796.50 and 1,242,966.75

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Solution

The third proportional to 822,796.50 and 1,242,966.75 is: 1,877,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,796.50 : 1,242,966.75 = 1,242,966.75 : x
  2. Step 2: Convert to fraction form
    822,796.50/1,242,966.75 = 1,242,966.75/x
  3. Step 3: Cross multiply
    822,796.50x = 1,242,966.75 × 1,242,966.75
  4. Step 4: Simplify right side
    822,796.50x = 1,544,966,341,605.56
  5. Step 5: Solve for x
    x = 1,544,966,341,605.56/822,796.50
  6. Step 6: Final answer
    x = 1,877,701.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.