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Finding the Third Proportional to 6,624,780 and 9,970,340

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Solution

The third proportional to 6,624,780 and 9,970,340 is: 15,005,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624,780 : 9,970,340 = 9,970,340 : x
  2. Step 2: Convert to fraction form
    6,624,780/9,970,340 = 9,970,340/x
  3. Step 3: Cross multiply
    6,624,780x = 9,970,340 × 9,970,340
  4. Step 4: Simplify right side
    6,624,780x = 99,407,679,715,600
  5. Step 5: Solve for x
    x = 99,407,679,715,600/6,624,780
  6. Step 6: Final answer
    x = 15,005,431.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.