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Finding the Third Proportional to 15,999,811.50 and 35,113,861.50

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Solution

The third proportional to 15,999,811.50 and 35,113,861.50 is: 77,062,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999,811.50 : 35,113,861.50 = 35,113,861.50 : x
  2. Step 2: Convert to fraction form
    15,999,811.50/35,113,861.50 = 35,113,861.50/x
  3. Step 3: Cross multiply
    15,999,811.50x = 35,113,861.50 × 35,113,861.50
  4. Step 4: Simplify right side
    15,999,811.50x = 1,232,983,269,441,182.25
  5. Step 5: Solve for x
    x = 1,232,983,269,441,182.25/15,999,811.50
  6. Step 6: Final answer
    x = 77,062,362.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.