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Finding the Third Proportional to 13,620,712 and 20,312,952

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Solution

The third proportional to 13,620,712 and 20,312,952 is: 30,293,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,712 : 20,312,952 = 20,312,952 : x
  2. Step 2: Convert to fraction form
    13,620,712/20,312,952 = 20,312,952/x
  3. Step 3: Cross multiply
    13,620,712x = 20,312,952 × 20,312,952
  4. Step 4: Simplify right side
    13,620,712x = 412,616,018,954,304
  5. Step 5: Solve for x
    x = 412,616,018,954,304/13,620,712
  6. Step 6: Final answer
    x = 30,293,278.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.