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Finding the Third Proportional to 986,442,968.25 and 2,146,539,649.50

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Solution

The third proportional to 986,442,968.25 and 2,146,539,649.50 is: 4,670,956,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,442,968.25 : 2,146,539,649.50 = 2,146,539,649.50 : x
  2. Step 2: Convert to fraction form
    986,442,968.25/2,146,539,649.50 = 2,146,539,649.50/x
  3. Step 3: Cross multiply
    986,442,968.25x = 2,146,539,649.50 × 2,146,539,649.50
  4. Step 4: Simplify right side
    986,442,968.25x = 4,607,632,466,875,582,976
  5. Step 5: Solve for x
    x = 4,607,632,466,875,582,976/986,442,968.25
  6. Step 6: Final answer
    x = 4,670,956,776.19

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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.