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Finding the Third Proportional to 6,611,770 and 10,216,862

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Solution

The third proportional to 6,611,770 and 10,216,862 is: 15,787,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,770 : 10,216,862 = 10,216,862 : x
  2. Step 2: Convert to fraction form
    6,611,770/10,216,862 = 10,216,862/x
  3. Step 3: Cross multiply
    6,611,770x = 10,216,862 × 10,216,862
  4. Step 4: Simplify right side
    6,611,770x = 104,384,269,127,044
  5. Step 5: Solve for x
    x = 104,384,269,127,044/6,611,770
  6. Step 6: Final answer
    x = 15,787,643.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.