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Finding the Third Proportional to 15,906,319.50 and 25,227,448.50

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Solution

The third proportional to 15,906,319.50 and 25,227,448.50 is: 40,010,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906,319.50 : 25,227,448.50 = 25,227,448.50 : x
  2. Step 2: Convert to fraction form
    15,906,319.50/25,227,448.50 = 25,227,448.50/x
  3. Step 3: Cross multiply
    15,906,319.50x = 25,227,448.50 × 25,227,448.50
  4. Step 4: Simplify right side
    15,906,319.50x = 636,424,157,820,152.25
  5. Step 5: Solve for x
    x = 636,424,157,820,152.25/15,906,319.50
  6. Step 6: Final answer
    x = 40,010,774.20

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.