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Finding the Third Proportional to 15,167,638 and 21,461,746

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Solution

The third proportional to 15,167,638 and 21,461,746 is: 30,367,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167,638 : 21,461,746 = 21,461,746 : x
  2. Step 2: Convert to fraction form
    15,167,638/21,461,746 = 21,461,746/x
  3. Step 3: Cross multiply
    15,167,638x = 21,461,746 × 21,461,746
  4. Step 4: Simplify right side
    15,167,638x = 460,606,541,368,516
  5. Step 5: Solve for x
    x = 460,606,541,368,516/15,167,638
  6. Step 6: Final answer
    x = 30,367,717.20

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.