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Finding the Third Proportional to 8,977,840.03 and 13,929,902.86

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Solution

The third proportional to 8,977,840.03 and 13,929,902.86 is: 21,613,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,840.03 : 13,929,902.86 = 13,929,902.86 : x
  2. Step 2: Convert to fraction form
    8,977,840.03/13,929,902.86 = 13,929,902.86/x
  3. Step 3: Cross multiply
    8,977,840.03x = 13,929,902.86 × 13,929,902.86
  4. Step 4: Simplify right side
    8,977,840.03x = 194,042,193,671,623.81
  5. Step 5: Solve for x
    x = 194,042,193,671,623.81/8,977,840.03
  6. Step 6: Final answer
    x = 21,613,460.81

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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.