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Finding the Third Proportional to 355,392 and 838,953

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Solution

The third proportional to 355,392 and 838,953 is: 1,980,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,392 : 838,953 = 838,953 : x
  2. Step 2: Convert to fraction form
    355,392/838,953 = 838,953/x
  3. Step 3: Cross multiply
    355,392x = 838,953 × 838,953
  4. Step 4: Simplify right side
    355,392x = 703,842,136,209
  5. Step 5: Solve for x
    x = 703,842,136,209/355,392
  6. Step 6: Final answer
    x = 1,980,467.02

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.