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Finding the Third Proportional to 783,931 and 1,717,330

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Solution

The third proportional to 783,931 and 1,717,330 is: 3,762,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,931 : 1,717,330 = 1,717,330 : x
  2. Step 2: Convert to fraction form
    783,931/1,717,330 = 1,717,330/x
  3. Step 3: Cross multiply
    783,931x = 1,717,330 × 1,717,330
  4. Step 4: Simplify right side
    783,931x = 2,949,222,328,900
  5. Step 5: Solve for x
    x = 2,949,222,328,900/783,931
  6. Step 6: Final answer
    x = 3,762,094.28

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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.