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Finding the Third Proportional to 518,069,370 and 1,126,909,970.50

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Solution

The third proportional to 518,069,370 and 1,126,909,970.50 is: 2,451,266,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,069,370 : 1,126,909,970.50 = 1,126,909,970.50 : x
  2. Step 2: Convert to fraction form
    518,069,370/1,126,909,970.50 = 1,126,909,970.50/x
  3. Step 3: Cross multiply
    518,069,370x = 1,126,909,970.50 × 1,126,909,970.50
  4. Step 4: Simplify right side
    518,069,370x = 1,269,926,081,612,310,784
  5. Step 5: Solve for x
    x = 1,269,926,081,612,310,784/518,069,370
  6. Step 6: Final answer
    x = 2,451,266,481.19

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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.