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Finding the Third Proportional to 1,913,446,612 and 2,995,066,554

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Solution

The third proportional to 1,913,446,612 and 2,995,066,554 is: 4,688,097,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,446,612 : 2,995,066,554 = 2,995,066,554 : x
  2. Step 2: Convert to fraction form
    1,913,446,612/2,995,066,554 = 2,995,066,554/x
  3. Step 3: Cross multiply
    1,913,446,612x = 2,995,066,554 × 2,995,066,554
  4. Step 4: Simplify right side
    1,913,446,612x = 8,970,423,662,889,435,136
  5. Step 5: Solve for x
    x = 8,970,423,662,889,435,136/1,913,446,612
  6. Step 6: Final answer
    x = 4,688,097,178.48

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.