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Finding the Third Proportional to 17,989,987 and 28,461,745

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Solution

The third proportional to 17,989,987 and 28,461,745 is: 45,028,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989,987 : 28,461,745 = 28,461,745 : x
  2. Step 2: Convert to fraction form
    17,989,987/28,461,745 = 28,461,745/x
  3. Step 3: Cross multiply
    17,989,987x = 28,461,745 × 28,461,745
  4. Step 4: Simplify right side
    17,989,987x = 810,070,928,445,025
  5. Step 5: Solve for x
    x = 810,070,928,445,025/17,989,987
  6. Step 6: Final answer
    x = 45,028,989.10

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.