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Finding the Third Proportional to 13,980,808 and 18,888,943

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Solution

The third proportional to 13,980,808 and 18,888,943 is: 25,520,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,808 : 18,888,943 = 18,888,943 : x
  2. Step 2: Convert to fraction form
    13,980,808/18,888,943 = 18,888,943/x
  3. Step 3: Cross multiply
    13,980,808x = 18,888,943 × 18,888,943
  4. Step 4: Simplify right side
    13,980,808x = 356,792,167,657,249
  5. Step 5: Solve for x
    x = 356,792,167,657,249/13,980,808
  6. Step 6: Final answer
    x = 25,520,139.30

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.