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Finding the Third Proportional to 916,904 and 1,416,909

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Solution

The third proportional to 916,904 and 1,416,909 is: 2,189,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,904 : 1,416,909 = 1,416,909 : x
  2. Step 2: Convert to fraction form
    916,904/1,416,909 = 1,416,909/x
  3. Step 3: Cross multiply
    916,904x = 1,416,909 × 1,416,909
  4. Step 4: Simplify right side
    916,904x = 2,007,631,114,281
  5. Step 5: Solve for x
    x = 2,007,631,114,281/916,904
  6. Step 6: Final answer
    x = 2,189,576.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.