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Finding the Third Proportional to 168,984 and 358,716

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Solution

The third proportional to 168,984 and 358,716 is: 761,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,984 : 358,716 = 358,716 : x
  2. Step 2: Convert to fraction form
    168,984/358,716 = 358,716/x
  3. Step 3: Cross multiply
    168,984x = 358,716 × 358,716
  4. Step 4: Simplify right side
    168,984x = 128,677,168,656
  5. Step 5: Solve for x
    x = 128,677,168,656/168,984
  6. Step 6: Final answer
    x = 761,475.46

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.