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Finding the Third Proportional to 380,712,646.50 and 513,670,749

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Solution

The third proportional to 380,712,646.50 and 513,670,749 is: 693,062,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712,646.50 : 513,670,749 = 513,670,749 : x
  2. Step 2: Convert to fraction form
    380,712,646.50/513,670,749 = 513,670,749/x
  3. Step 3: Cross multiply
    380,712,646.50x = 513,670,749 × 513,670,749
  4. Step 4: Simplify right side
    380,712,646.50x = 263,857,638,378,220,992
  5. Step 5: Solve for x
    x = 263,857,638,378,220,992/380,712,646.50
  6. Step 6: Final answer
    x = 693,062,446.98

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.