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Finding the Third Proportional to 12,308,949.38 and 28,492,989.38

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Solution

The third proportional to 12,308,949.38 and 28,492,989.38 is: 65,956,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,949.38 : 28,492,989.38 = 28,492,989.38 : x
  2. Step 2: Convert to fraction form
    12,308,949.38/28,492,989.38 = 28,492,989.38/x
  3. Step 3: Cross multiply
    12,308,949.38x = 28,492,989.38 × 28,492,989.38
  4. Step 4: Simplify right side
    12,308,949.38x = 811,850,443,523,862.88
  5. Step 5: Solve for x
    x = 811,850,443,523,862.88/12,308,949.38
  6. Step 6: Final answer
    x = 65,956,112.00

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.