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Finding the Third Proportional to 15,878,551.50 and 34,445,655

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Solution

The third proportional to 15,878,551.50 and 34,445,655 is: 74,723,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878,551.50 : 34,445,655 = 34,445,655 : x
  2. Step 2: Convert to fraction form
    15,878,551.50/34,445,655 = 34,445,655/x
  3. Step 3: Cross multiply
    15,878,551.50x = 34,445,655 × 34,445,655
  4. Step 4: Simplify right side
    15,878,551.50x = 1,186,503,148,379,025
  5. Step 5: Solve for x
    x = 1,186,503,148,379,025/15,878,551.50
  6. Step 6: Final answer
    x = 74,723,638.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.