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Finding the Third Proportional to 85,672,850 and 130,518,036

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Solution

The third proportional to 85,672,850 and 130,518,036 is: 198,837,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672,850 : 130,518,036 = 130,518,036 : x
  2. Step 2: Convert to fraction form
    85,672,850/130,518,036 = 130,518,036/x
  3. Step 3: Cross multiply
    85,672,850x = 130,518,036 × 130,518,036
  4. Step 4: Simplify right side
    85,672,850x = 17,034,957,721,297,296
  5. Step 5: Solve for x
    x = 17,034,957,721,297,296/85,672,850
  6. Step 6: Final answer
    x = 198,837,294.68

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.