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Finding the Third Proportional to 18,869,382 and 41,271,822

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Solution

The third proportional to 18,869,382 and 41,271,822 is: 90,271,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869,382 : 41,271,822 = 41,271,822 : x
  2. Step 2: Convert to fraction form
    18,869,382/41,271,822 = 41,271,822/x
  3. Step 3: Cross multiply
    18,869,382x = 41,271,822 × 41,271,822
  4. Step 4: Simplify right side
    18,869,382x = 1,703,363,291,199,684
  5. Step 5: Solve for x
    x = 1,703,363,291,199,684/18,869,382
  6. Step 6: Final answer
    x = 90,271,281.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.