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Finding the Third Proportional to 2,039,149,391 and 3,148,803,555

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Solution

The third proportional to 2,039,149,391 and 3,148,803,555 is: 4,862,303,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,149,391 : 3,148,803,555 = 3,148,803,555 : x
  2. Step 2: Convert to fraction form
    2,039,149,391/3,148,803,555 = 3,148,803,555/x
  3. Step 3: Cross multiply
    2,039,149,391x = 3,148,803,555 × 3,148,803,555
  4. Step 4: Simplify right side
    2,039,149,391x = 9,914,963,827,980,638,208
  5. Step 5: Solve for x
    x = 9,914,963,827,980,638,208/2,039,149,391
  6. Step 6: Final answer
    x = 4,862,303,797.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.