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Finding the Third Proportional to 13,676,218 and 21,655,943

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Solution

The third proportional to 13,676,218 and 21,655,943 is: 34,291,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,218 : 21,655,943 = 21,655,943 : x
  2. Step 2: Convert to fraction form
    13,676,218/21,655,943 = 21,655,943/x
  3. Step 3: Cross multiply
    13,676,218x = 21,655,943 × 21,655,943
  4. Step 4: Simplify right side
    13,676,218x = 468,979,867,219,249
  5. Step 5: Solve for x
    x = 468,979,867,219,249/13,676,218
  6. Step 6: Final answer
    x = 34,291,634.37

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.