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Finding the Third Proportional to 30,210,867 and 45,567,076.50

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Solution

The third proportional to 30,210,867 and 45,567,076.50 is: 68,728,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210,867 : 45,567,076.50 = 45,567,076.50 : x
  2. Step 2: Convert to fraction form
    30,210,867/45,567,076.50 = 45,567,076.50/x
  3. Step 3: Cross multiply
    30,210,867x = 45,567,076.50 × 45,567,076.50
  4. Step 4: Simplify right side
    30,210,867x = 2,076,358,460,756,852.25
  5. Step 5: Solve for x
    x = 2,076,358,460,756,852.25/30,210,867
  6. Step 6: Final answer
    x = 68,728,860.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.