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Finding the Third Proportional to 373,185,663 and 809,805,619.50

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Solution

The third proportional to 373,185,663 and 809,805,619.50 is: 1,757,262,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,185,663 : 809,805,619.50 = 809,805,619.50 : x
  2. Step 2: Convert to fraction form
    373,185,663/809,805,619.50 = 809,805,619.50/x
  3. Step 3: Cross multiply
    373,185,663x = 809,805,619.50 × 809,805,619.50
  4. Step 4: Simplify right side
    373,185,663x = 655,785,141,373,778,816
  5. Step 5: Solve for x
    x = 655,785,141,373,778,816/373,185,663
  6. Step 6: Final answer
    x = 1,757,262,420.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.