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Finding the Third Proportional to 917,850.84 and 1,988,247.47

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Solution

The third proportional to 917,850.84 and 1,988,247.47 is: 4,306,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,850.84 : 1,988,247.47 = 1,988,247.47 : x
  2. Step 2: Convert to fraction form
    917,850.84/1,988,247.47 = 1,988,247.47/x
  3. Step 3: Cross multiply
    917,850.84x = 1,988,247.47 × 1,988,247.47
  4. Step 4: Simplify right side
    917,850.84x = 3,953,127,996,990.78
  5. Step 5: Solve for x
    x = 3,953,127,996,990.78/917,850.84
  6. Step 6: Final answer
    x = 4,306,939.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.