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Finding the Third Proportional to 3,154,920 and 6,862,612

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Solution

The third proportional to 3,154,920 and 6,862,612 is: 14,927,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,920 : 6,862,612 = 6,862,612 : x
  2. Step 2: Convert to fraction form
    3,154,920/6,862,612 = 6,862,612/x
  3. Step 3: Cross multiply
    3,154,920x = 6,862,612 × 6,862,612
  4. Step 4: Simplify right side
    3,154,920x = 47,095,443,462,544
  5. Step 5: Solve for x
    x = 47,095,443,462,544/3,154,920
  6. Step 6: Final answer
    x = 14,927,618.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.