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Finding the Third Proportional to 21,445,216,990 and 46,751,779,552

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Solution

The third proportional to 21,445,216,990 and 46,751,779,552 is: 101,921,509,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445,216,990 : 46,751,779,552 = 46,751,779,552 : x
  2. Step 2: Convert to fraction form
    21,445,216,990/46,751,779,552 = 46,751,779,552/x
  3. Step 3: Cross multiply
    21,445,216,990x = 46,751,779,552 × 46,751,779,552
  4. Step 4: Simplify right side
    21,445,216,990x = 2,185,728,891,278,805,434,368
  5. Step 5: Solve for x
    x = 2,185,728,891,278,805,434,368/21,445,216,990
  6. Step 6: Final answer
    x = 101,921,509,691.32

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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.