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Finding the Third Proportional to 576,432 and 920,864

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Solution

The third proportional to 576,432 and 920,864 is: 1,471,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,432 : 920,864 = 920,864 : x
  2. Step 2: Convert to fraction form
    576,432/920,864 = 920,864/x
  3. Step 3: Cross multiply
    576,432x = 920,864 × 920,864
  4. Step 4: Simplify right side
    576,432x = 847,990,506,496
  5. Step 5: Solve for x
    x = 847,990,506,496/576,432
  6. Step 6: Final answer
    x = 1,471,102.41

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.