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Finding the Third Proportional to 15,780,788 and 33,999,360

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Solution

The third proportional to 15,780,788 and 33,999,360 is: 73,250,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,788 : 33,999,360 = 33,999,360 : x
  2. Step 2: Convert to fraction form
    15,780,788/33,999,360 = 33,999,360/x
  3. Step 3: Cross multiply
    15,780,788x = 33,999,360 × 33,999,360
  4. Step 4: Simplify right side
    15,780,788x = 1,155,956,480,409,600
  5. Step 5: Solve for x
    x = 1,155,956,480,409,600/15,780,788
  6. Step 6: Final answer
    x = 73,250,871.91

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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.