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Finding the Third Proportional to 3,864,240,918 and 8,487,623,070

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Solution

The third proportional to 3,864,240,918 and 8,487,623,070 is: 18,642,664,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,240,918 : 8,487,623,070 = 8,487,623,070 : x
  2. Step 2: Convert to fraction form
    3,864,240,918/8,487,623,070 = 8,487,623,070/x
  3. Step 3: Cross multiply
    3,864,240,918x = 8,487,623,070 × 8,487,623,070
  4. Step 4: Simplify right side
    3,864,240,918x = 72,039,745,378,396,225,536
  5. Step 5: Solve for x
    x = 72,039,745,378,396,225,536/3,864,240,918
  6. Step 6: Final answer
    x = 18,642,664,085.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.