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Finding the Third Proportional to 993,285 and 2,143,944

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Solution

The third proportional to 993,285 and 2,143,944 is: 4,627,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,285 : 2,143,944 = 2,143,944 : x
  2. Step 2: Convert to fraction form
    993,285/2,143,944 = 2,143,944/x
  3. Step 3: Cross multiply
    993,285x = 2,143,944 × 2,143,944
  4. Step 4: Simplify right side
    993,285x = 4,596,495,875,136
  5. Step 5: Solve for x
    x = 4,596,495,875,136/993,285
  6. Step 6: Final answer
    x = 4,627,570.01

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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.