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Finding the Third Proportional to 518,069,376 and 1,126,909,982.50

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Solution

The third proportional to 518,069,376 and 1,126,909,982.50 is: 2,451,266,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,069,376 : 1,126,909,982.50 = 1,126,909,982.50 : x
  2. Step 2: Convert to fraction form
    518,069,376/1,126,909,982.50 = 1,126,909,982.50/x
  3. Step 3: Cross multiply
    518,069,376x = 1,126,909,982.50 × 1,126,909,982.50
  4. Step 4: Simplify right side
    518,069,376x = 1,269,926,108,658,150,400
  5. Step 5: Solve for x
    x = 1,269,926,108,658,150,400/518,069,376
  6. Step 6: Final answer
    x = 2,451,266,505.01

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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.