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Finding the Third Proportional to 43,173,441.70 and 70,490,881.55

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Solution

The third proportional to 43,173,441.70 and 70,490,881.55 is: 115,093,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173,441.70 : 70,490,881.55 = 70,490,881.55 : x
  2. Step 2: Convert to fraction form
    43,173,441.70/70,490,881.55 = 70,490,881.55/x
  3. Step 3: Cross multiply
    43,173,441.70x = 70,490,881.55 × 70,490,881.55
  4. Step 4: Simplify right side
    43,173,441.70x = 4,968,964,381,255,562
  5. Step 5: Solve for x
    x = 4,968,964,381,255,562/43,173,441.70
  6. Step 6: Final answer
    x = 115,093,080.03

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.