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Finding the Third Proportional to 712,640 and 1,484,248

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Solution

The third proportional to 712,640 and 1,484,248 is: 3,091,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,640 : 1,484,248 = 1,484,248 : x
  2. Step 2: Convert to fraction form
    712,640/1,484,248 = 1,484,248/x
  3. Step 3: Cross multiply
    712,640x = 1,484,248 × 1,484,248
  4. Step 4: Simplify right side
    712,640x = 2,202,992,125,504
  5. Step 5: Solve for x
    x = 2,202,992,125,504/712,640
  6. Step 6: Final answer
    x = 3,091,311.36

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.