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Finding the Third Proportional to 7,372,103.63 and 11,539,705.50

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Solution

The third proportional to 7,372,103.63 and 11,539,705.50 is: 18,063,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,103.63 : 11,539,705.50 = 11,539,705.50 : x
  2. Step 2: Convert to fraction form
    7,372,103.63/11,539,705.50 = 11,539,705.50/x
  3. Step 3: Cross multiply
    7,372,103.63x = 11,539,705.50 × 11,539,705.50
  4. Step 4: Simplify right side
    7,372,103.63x = 133,164,803,026,730.25
  5. Step 5: Solve for x
    x = 133,164,803,026,730.25/7,372,103.63
  6. Step 6: Final answer
    x = 18,063,338.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.