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Finding the Third Proportional to 11,539,780.50 and 18,272,965.50

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Solution

The third proportional to 11,539,780.50 and 18,272,965.50 is: 28,934,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539,780.50 : 18,272,965.50 = 18,272,965.50 : x
  2. Step 2: Convert to fraction form
    11,539,780.50/18,272,965.50 = 18,272,965.50/x
  3. Step 3: Cross multiply
    11,539,780.50x = 18,272,965.50 × 18,272,965.50
  4. Step 4: Simplify right side
    11,539,780.50x = 333,901,268,164,190.25
  5. Step 5: Solve for x
    x = 333,901,268,164,190.25/11,539,780.50
  6. Step 6: Final answer
    x = 28,934,802.37

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.