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Finding the Third Proportional to 385,988 and 837,984

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Solution

The third proportional to 385,988 and 837,984 is: 1,819,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,988 : 837,984 = 837,984 : x
  2. Step 2: Convert to fraction form
    385,988/837,984 = 837,984/x
  3. Step 3: Cross multiply
    385,988x = 837,984 × 837,984
  4. Step 4: Simplify right side
    385,988x = 702,217,184,256
  5. Step 5: Solve for x
    x = 702,217,184,256/385,988
  6. Step 6: Final answer
    x = 1,819,272.06

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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.