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Finding the Third Proportional to 21,054,278 and 46,070,908

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Solution

The third proportional to 21,054,278 and 46,070,908 is: 100,812,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,278 : 46,070,908 = 46,070,908 : x
  2. Step 2: Convert to fraction form
    21,054,278/46,070,908 = 46,070,908/x
  3. Step 3: Cross multiply
    21,054,278x = 46,070,908 × 46,070,908
  4. Step 4: Simplify right side
    21,054,278x = 2,122,528,563,944,464
  5. Step 5: Solve for x
    x = 2,122,528,563,944,464/21,054,278
  6. Step 6: Final answer
    x = 100,812,222.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.