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Finding the Third Proportional to 32,455 and 70,417

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Solution

The third proportional to 32,455 and 70,417 is: 152,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455 : 70,417 = 70,417 : x
  2. Step 2: Convert to fraction form
    32,455/70,417 = 70,417/x
  3. Step 3: Cross multiply
    32,455x = 70,417 × 70,417
  4. Step 4: Simplify right side
    32,455x = 4,958,553,889
  5. Step 5: Solve for x
    x = 4,958,553,889/32,455
  6. Step 6: Final answer
    x = 152,782.43

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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.