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Finding the Third Proportional to 2,078,920,752 and 4,622,655,429

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Solution

The third proportional to 2,078,920,752 and 4,622,655,429 is: 10,278,863,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,920,752 : 4,622,655,429 = 4,622,655,429 : x
  2. Step 2: Convert to fraction form
    2,078,920,752/4,622,655,429 = 4,622,655,429/x
  3. Step 3: Cross multiply
    2,078,920,752x = 4,622,655,429 × 4,622,655,429
  4. Step 4: Simplify right side
    2,078,920,752x = 21,368,943,215,263,174,656
  5. Step 5: Solve for x
    x = 21,368,943,215,263,174,656/2,078,920,752
  6. Step 6: Final answer
    x = 10,278,863,778.10

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.