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Finding the Third Proportional to 8,360,099 and 12,920,575

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Solution

The third proportional to 8,360,099 and 12,920,575 is: 19,968,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360,099 : 12,920,575 = 12,920,575 : x
  2. Step 2: Convert to fraction form
    8,360,099/12,920,575 = 12,920,575/x
  3. Step 3: Cross multiply
    8,360,099x = 12,920,575 × 12,920,575
  4. Step 4: Simplify right side
    8,360,099x = 166,941,258,330,625
  5. Step 5: Solve for x
    x = 166,941,258,330,625/8,360,099
  6. Step 6: Final answer
    x = 19,968,813.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.