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Finding the Third Proportional to 924,553 and 1,989,074

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Solution

The third proportional to 924,553 and 1,989,074 is: 4,279,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,553 : 1,989,074 = 1,989,074 : x
  2. Step 2: Convert to fraction form
    924,553/1,989,074 = 1,989,074/x
  3. Step 3: Cross multiply
    924,553x = 1,989,074 × 1,989,074
  4. Step 4: Simplify right side
    924,553x = 3,956,415,377,476
  5. Step 5: Solve for x
    x = 3,956,415,377,476/924,553
  6. Step 6: Final answer
    x = 4,279,273.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.