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Finding the Third Proportional to 423,110 and 915,884

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Solution

The third proportional to 423,110 and 915,884 is: 1,982,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,110 : 915,884 = 915,884 : x
  2. Step 2: Convert to fraction form
    423,110/915,884 = 915,884/x
  3. Step 3: Cross multiply
    423,110x = 915,884 × 915,884
  4. Step 4: Simplify right side
    423,110x = 838,843,501,456
  5. Step 5: Solve for x
    x = 838,843,501,456/423,110
  6. Step 6: Final answer
    x = 1,982,566.00

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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.