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Finding the Third Proportional to 8,408,732 and 18,445,240

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Solution

The third proportional to 8,408,732 and 18,445,240 is: 40,461,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,732 : 18,445,240 = 18,445,240 : x
  2. Step 2: Convert to fraction form
    8,408,732/18,445,240 = 18,445,240/x
  3. Step 3: Cross multiply
    8,408,732x = 18,445,240 × 18,445,240
  4. Step 4: Simplify right side
    8,408,732x = 340,226,878,657,600
  5. Step 5: Solve for x
    x = 340,226,878,657,600/8,408,732
  6. Step 6: Final answer
    x = 40,461,139.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.