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Finding the Third Proportional to 145,598 and 219,423

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Solution

The third proportional to 145,598 and 219,423 is: 330,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,598 : 219,423 = 219,423 : x
  2. Step 2: Convert to fraction form
    145,598/219,423 = 219,423/x
  3. Step 3: Cross multiply
    145,598x = 219,423 × 219,423
  4. Step 4: Simplify right side
    145,598x = 48,146,452,929
  5. Step 5: Solve for x
    x = 48,146,452,929/145,598
  6. Step 6: Final answer
    x = 330,680.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.