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Finding the Third Proportional to 1,979,524 and 4,312,328

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Solution

The third proportional to 1,979,524 and 4,312,328 is: 9,394,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,524 : 4,312,328 = 4,312,328 : x
  2. Step 2: Convert to fraction form
    1,979,524/4,312,328 = 4,312,328/x
  3. Step 3: Cross multiply
    1,979,524x = 4,312,328 × 4,312,328
  4. Step 4: Simplify right side
    1,979,524x = 18,596,172,779,584
  5. Step 5: Solve for x
    x = 18,596,172,779,584/1,979,524
  6. Step 6: Final answer
    x = 9,394,264.87

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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.