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Finding the Third Proportional to 330,972 and 714,423

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Solution

The third proportional to 330,972 and 714,423 is: 1,542,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,972 : 714,423 = 714,423 : x
  2. Step 2: Convert to fraction form
    330,972/714,423 = 714,423/x
  3. Step 3: Cross multiply
    330,972x = 714,423 × 714,423
  4. Step 4: Simplify right side
    330,972x = 510,400,222,929
  5. Step 5: Solve for x
    x = 510,400,222,929/330,972
  6. Step 6: Final answer
    x = 1,542,125.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.