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Finding the Third Proportional to 15,780,780 and 33,999,344

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Solution

The third proportional to 15,780,780 and 33,999,344 is: 73,250,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,780 : 33,999,344 = 33,999,344 : x
  2. Step 2: Convert to fraction form
    15,780,780/33,999,344 = 33,999,344/x
  3. Step 3: Cross multiply
    15,780,780x = 33,999,344 × 33,999,344
  4. Step 4: Simplify right side
    15,780,780x = 1,155,955,392,430,336
  5. Step 5: Solve for x
    x = 1,155,955,392,430,336/15,780,780
  6. Step 6: Final answer
    x = 73,250,840.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.