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Finding the Third Proportional to 4,107,048,988 and 8,966,706,128

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Solution

The third proportional to 4,107,048,988 and 8,966,706,128 is: 19,576,542,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107,048,988 : 8,966,706,128 = 8,966,706,128 : x
  2. Step 2: Convert to fraction form
    4,107,048,988/8,966,706,128 = 8,966,706,128/x
  3. Step 3: Cross multiply
    4,107,048,988x = 8,966,706,128 × 8,966,706,128
  4. Step 4: Simplify right side
    4,107,048,988x = 80,401,818,785,912,750,080
  5. Step 5: Solve for x
    x = 80,401,818,785,912,750,080/4,107,048,988
  6. Step 6: Final answer
    x = 19,576,542,432.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.