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Finding the Third Proportional to 13,865,752.50 and 21,638,036.50

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Solution

The third proportional to 13,865,752.50 and 21,638,036.50 is: 33,766,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865,752.50 : 21,638,036.50 = 21,638,036.50 : x
  2. Step 2: Convert to fraction form
    13,865,752.50/21,638,036.50 = 21,638,036.50/x
  3. Step 3: Cross multiply
    13,865,752.50x = 21,638,036.50 × 21,638,036.50
  4. Step 4: Simplify right side
    13,865,752.50x = 468,204,623,575,332.25
  5. Step 5: Solve for x
    x = 468,204,623,575,332.25/13,865,752.50
  6. Step 6: Final answer
    x = 33,766,982.61

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.