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Finding the Third Proportional to 21,010,348 and 45,159,392

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Solution

The third proportional to 21,010,348 and 45,159,392 is: 97,065,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010,348 : 45,159,392 = 45,159,392 : x
  2. Step 2: Convert to fraction form
    21,010,348/45,159,392 = 45,159,392/x
  3. Step 3: Cross multiply
    21,010,348x = 45,159,392 × 45,159,392
  4. Step 4: Simplify right side
    21,010,348x = 2,039,370,685,809,664
  5. Step 5: Solve for x
    x = 2,039,370,685,809,664/21,010,348
  6. Step 6: Final answer
    x = 97,065,059.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.