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Finding the Third Proportional to 15,167,651 and 21,461,758

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Solution

The third proportional to 15,167,651 and 21,461,758 is: 30,367,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167,651 : 21,461,758 = 21,461,758 : x
  2. Step 2: Convert to fraction form
    15,167,651/21,461,758 = 21,461,758/x
  3. Step 3: Cross multiply
    15,167,651x = 21,461,758 × 21,461,758
  4. Step 4: Simplify right side
    15,167,651x = 460,607,056,450,564
  5. Step 5: Solve for x
    x = 460,607,056,450,564/15,167,651
  6. Step 6: Final answer
    x = 30,367,725.13

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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.