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Finding the Third Proportional to 8,564,011.03 and 18,831,421.69

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Solution

The third proportional to 8,564,011.03 and 18,831,421.69 is: 41,408,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564,011.03 : 18,831,421.69 = 18,831,421.69 : x
  2. Step 2: Convert to fraction form
    8,564,011.03/18,831,421.69 = 18,831,421.69/x
  3. Step 3: Cross multiply
    8,564,011.03x = 18,831,421.69 × 18,831,421.69
  4. Step 4: Simplify right side
    8,564,011.03x = 354,622,442,772,445.38
  5. Step 5: Solve for x
    x = 354,622,442,772,445.38/8,564,011.03
  6. Step 6: Final answer
    x = 41,408,452.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.