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Finding the Third Proportional to 280,011 and 614,472

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Solution

The third proportional to 280,011 and 614,472 is: 1,348,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,011 : 614,472 = 614,472 : x
  2. Step 2: Convert to fraction form
    280,011/614,472 = 614,472/x
  3. Step 3: Cross multiply
    280,011x = 614,472 × 614,472
  4. Step 4: Simplify right side
    280,011x = 377,575,838,784
  5. Step 5: Solve for x
    x = 377,575,838,784/280,011
  6. Step 6: Final answer
    x = 1,348,432.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.