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Finding the Third Proportional to 699,645,732.50 and 1,531,089,385

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Solution

The third proportional to 699,645,732.50 and 1,531,089,385 is: 3,350,602,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,645,732.50 : 1,531,089,385 = 1,531,089,385 : x
  2. Step 2: Convert to fraction form
    699,645,732.50/1,531,089,385 = 1,531,089,385/x
  3. Step 3: Cross multiply
    699,645,732.50x = 1,531,089,385 × 1,531,089,385
  4. Step 4: Simplify right side
    699,645,732.50x = 2,344,234,704,859,678,208
  5. Step 5: Solve for x
    x = 2,344,234,704,859,678,208/699,645,732.50
  6. Step 6: Final answer
    x = 3,350,602,449.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.