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Finding the Third Proportional to 8,845,510 and 18,920,624

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Solution

The third proportional to 8,845,510 and 18,920,624 is: 40,471,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,510 : 18,920,624 = 18,920,624 : x
  2. Step 2: Convert to fraction form
    8,845,510/18,920,624 = 18,920,624/x
  3. Step 3: Cross multiply
    8,845,510x = 18,920,624 × 18,920,624
  4. Step 4: Simplify right side
    8,845,510x = 357,990,012,549,376
  5. Step 5: Solve for x
    x = 357,990,012,549,376/8,845,510
  6. Step 6: Final answer
    x = 40,471,381.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.