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Finding the Third Proportional to 790,515 and 1,865,448

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Solution

The third proportional to 790,515 and 1,865,448 is: 4,402,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,515 : 1,865,448 = 1,865,448 : x
  2. Step 2: Convert to fraction form
    790,515/1,865,448 = 1,865,448/x
  3. Step 3: Cross multiply
    790,515x = 1,865,448 × 1,865,448
  4. Step 4: Simplify right side
    790,515x = 3,479,896,240,704
  5. Step 5: Solve for x
    x = 3,479,896,240,704/790,515
  6. Step 6: Final answer
    x = 4,402,062.25

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.