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Finding the Third Proportional to 1,070,519 and 1,639,685

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Solution

The third proportional to 1,070,519 and 1,639,685 is: 2,511,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,519 : 1,639,685 = 1,639,685 : x
  2. Step 2: Convert to fraction form
    1,070,519/1,639,685 = 1,639,685/x
  3. Step 3: Cross multiply
    1,070,519x = 1,639,685 × 1,639,685
  4. Step 4: Simplify right side
    1,070,519x = 2,688,566,899,225
  5. Step 5: Solve for x
    x = 2,688,566,899,225/1,070,519
  6. Step 6: Final answer
    x = 2,511,461.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.