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Finding the Third Proportional to 1,310,915,436 and 2,808,814,880

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Solution

The third proportional to 1,310,915,436 and 2,808,814,880 is: 6,018,268,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,915,436 : 2,808,814,880 = 2,808,814,880 : x
  2. Step 2: Convert to fraction form
    1,310,915,436/2,808,814,880 = 2,808,814,880/x
  3. Step 3: Cross multiply
    1,310,915,436x = 2,808,814,880 × 2,808,814,880
  4. Step 4: Simplify right side
    1,310,915,436x = 7,889,441,030,109,414,400
  5. Step 5: Solve for x
    x = 7,889,441,030,109,414,400/1,310,915,436
  6. Step 6: Final answer
    x = 6,018,268,466.03

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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.