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Finding the Third Proportional to 15,858,643.50 and 25,234,346.25

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Solution

The third proportional to 15,858,643.50 and 25,234,346.25 is: 40,153,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858,643.50 : 25,234,346.25 = 25,234,346.25 : x
  2. Step 2: Convert to fraction form
    15,858,643.50/25,234,346.25 = 25,234,346.25/x
  3. Step 3: Cross multiply
    15,858,643.50x = 25,234,346.25 × 25,234,346.25
  4. Step 4: Simplify right side
    15,858,643.50x = 636,772,230,664,889
  5. Step 5: Solve for x
    x = 636,772,230,664,889/15,858,643.50
  6. Step 6: Final answer
    x = 40,153,007.45

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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.