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Finding the Third Proportional to 31,550,643 and 47,199,865.50

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Solution

The third proportional to 31,550,643 and 47,199,865.50 is: 70,611,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550,643 : 47,199,865.50 = 47,199,865.50 : x
  2. Step 2: Convert to fraction form
    31,550,643/47,199,865.50 = 47,199,865.50/x
  3. Step 3: Cross multiply
    31,550,643x = 47,199,865.50 × 47,199,865.50
  4. Step 4: Simplify right side
    31,550,643x = 2,227,827,303,218,090.25
  5. Step 5: Solve for x
    x = 2,227,827,303,218,090.25/31,550,643
  6. Step 6: Final answer
    x = 70,611,153.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.