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Finding the Third Proportional to 30,785,636 and 66,929,833

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Solution

The third proportional to 30,785,636 and 66,929,833 is: 145,509,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,785,636 : 66,929,833 = 66,929,833 : x
  2. Step 2: Convert to fraction form
    30,785,636/66,929,833 = 66,929,833/x
  3. Step 3: Cross multiply
    30,785,636x = 66,929,833 × 66,929,833
  4. Step 4: Simplify right side
    30,785,636x = 4,479,602,545,407,889
  5. Step 5: Solve for x
    x = 4,479,602,545,407,889/30,785,636
  6. Step 6: Final answer
    x = 145,509,501.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.