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Finding the Third Proportional to 18,408,403 and 28,814,428.50

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Solution

The third proportional to 18,408,403 and 28,814,428.50 is: 45,102,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408,403 : 28,814,428.50 = 28,814,428.50 : x
  2. Step 2: Convert to fraction form
    18,408,403/28,814,428.50 = 28,814,428.50/x
  3. Step 3: Cross multiply
    18,408,403x = 28,814,428.50 × 28,814,428.50
  4. Step 4: Simplify right side
    18,408,403x = 830,271,289,781,612.25
  5. Step 5: Solve for x
    x = 830,271,289,781,612.25/18,408,403
  6. Step 6: Final answer
    x = 45,102,841.88

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.