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Finding the Third Proportional to 5,280,494,674 and 11,190,547,643

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Solution

The third proportional to 5,280,494,674 and 11,190,547,643 is: 23,715,269,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,494,674 : 11,190,547,643 = 11,190,547,643 : x
  2. Step 2: Convert to fraction form
    5,280,494,674/11,190,547,643 = 11,190,547,643/x
  3. Step 3: Cross multiply
    5,280,494,674x = 11,190,547,643 × 11,190,547,643
  4. Step 4: Simplify right side
    5,280,494,674x = 125,228,356,550,252,855,296
  5. Step 5: Solve for x
    x = 125,228,356,550,252,855,296/5,280,494,674
  6. Step 6: Final answer
    x = 23,715,269,928.56

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.