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Finding the Third Proportional to 891,046,807.88 and 1,855,422,999.28

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Solution

The third proportional to 891,046,807.88 and 1,855,422,999.28 is: 3,863,539,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,046,807.88 : 1,855,422,999.28 = 1,855,422,999.28 : x
  2. Step 2: Convert to fraction form
    891,046,807.88/1,855,422,999.28 = 1,855,422,999.28/x
  3. Step 3: Cross multiply
    891,046,807.88x = 1,855,422,999.28 × 1,855,422,999.28
  4. Step 4: Simplify right side
    891,046,807.88x = 3,442,594,506,261,643,776
  5. Step 5: Solve for x
    x = 3,442,594,506,261,643,776/891,046,807.88
  6. Step 6: Final answer
    x = 3,863,539,463.74

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.