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Finding the Third Proportional to 43,005,360 and 66,588,120

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Solution

The third proportional to 43,005,360 and 66,588,120 is: 103,102,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,005,360 : 66,588,120 = 66,588,120 : x
  2. Step 2: Convert to fraction form
    43,005,360/66,588,120 = 66,588,120/x
  3. Step 3: Cross multiply
    43,005,360x = 66,588,120 × 66,588,120
  4. Step 4: Simplify right side
    43,005,360x = 4,433,977,725,134,400
  5. Step 5: Solve for x
    x = 4,433,977,725,134,400/43,005,360
  6. Step 6: Final answer
    x = 103,102,909.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.