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Finding the Third Proportional to 287,592,448.50 and 628,993,467

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Solution

The third proportional to 287,592,448.50 and 628,993,467 is: 1,375,671,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,592,448.50 : 628,993,467 = 628,993,467 : x
  2. Step 2: Convert to fraction form
    287,592,448.50/628,993,467 = 628,993,467/x
  3. Step 3: Cross multiply
    287,592,448.50x = 628,993,467 × 628,993,467
  4. Step 4: Simplify right side
    287,592,448.50x = 395,632,781,528,680,064
  5. Step 5: Solve for x
    x = 395,632,781,528,680,064/287,592,448.50
  6. Step 6: Final answer
    x = 1,375,671,661.73

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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.