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Finding the Third Proportional to 387,645,943.50 and 850,611,347.50

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Solution

The third proportional to 387,645,943.50 and 850,611,347.50 is: 1,866,496,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645,943.50 : 850,611,347.50 = 850,611,347.50 : x
  2. Step 2: Convert to fraction form
    387,645,943.50/850,611,347.50 = 850,611,347.50/x
  3. Step 3: Cross multiply
    387,645,943.50x = 850,611,347.50 × 850,611,347.50
  4. Step 4: Simplify right side
    387,645,943.50x = 723,539,664,495,765,760
  5. Step 5: Solve for x
    x = 723,539,664,495,765,760/387,645,943.50
  6. Step 6: Final answer
    x = 1,866,496,158.74

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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.