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Finding the Third Proportional to 18,310,039.50 and 28,326,022.50

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Solution

The third proportional to 18,310,039.50 and 28,326,022.50 is: 43,820,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310,039.50 : 28,326,022.50 = 28,326,022.50 : x
  2. Step 2: Convert to fraction form
    18,310,039.50/28,326,022.50 = 28,326,022.50/x
  3. Step 3: Cross multiply
    18,310,039.50x = 28,326,022.50 × 28,326,022.50
  4. Step 4: Simplify right side
    18,310,039.50x = 802,363,550,670,506.25
  5. Step 5: Solve for x
    x = 802,363,550,670,506.25/18,310,039.50
  6. Step 6: Final answer
    x = 43,820,962.30

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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.