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Finding the Third Proportional to 21,087,408 and 46,042,080

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Solution

The third proportional to 21,087,408 and 46,042,080 is: 100,527,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,087,408 : 46,042,080 = 46,042,080 : x
  2. Step 2: Convert to fraction form
    21,087,408/46,042,080 = 46,042,080/x
  3. Step 3: Cross multiply
    21,087,408x = 46,042,080 × 46,042,080
  4. Step 4: Simplify right side
    21,087,408x = 2,119,873,130,726,400
  5. Step 5: Solve for x
    x = 2,119,873,130,726,400/21,087,408
  6. Step 6: Final answer
    x = 100,527,913.66

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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.