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Finding the Third Proportional to 15,167,642 and 21,461,752

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Solution

The third proportional to 15,167,642 and 21,461,752 is: 30,367,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167,642 : 21,461,752 = 21,461,752 : x
  2. Step 2: Convert to fraction form
    15,167,642/21,461,752 = 21,461,752/x
  3. Step 3: Cross multiply
    15,167,642x = 21,461,752 × 21,461,752
  4. Step 4: Simplify right side
    15,167,642x = 460,606,798,909,504
  5. Step 5: Solve for x
    x = 460,606,798,909,504/15,167,642
  6. Step 6: Final answer
    x = 30,367,726.17

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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.